diff --git a/composer.json b/composer.json
index 48b177d1fa20bdcd1d08b424c54c26212778ca08..cfddcae38dee01dbe26e50d31fa45c6b6caa78fd 100644
--- a/composer.json
+++ b/composer.json
@@ -89,7 +89,7 @@
 		"phpstan/phpstan": "^0.12.13",
 		"rector/rector": "^0.7.14",
 		"typo3/cms-styleguide": "~10.0.2",
-		"typo3/testing-framework": "^6.2.4"
+		"typo3/testing-framework": "^6.2.5"
 	},
 	"suggest": {
 		"ext-gd": "GDlib/Freetype is required for building images with text (GIFBUILDER) and can also be used to scale images",
diff --git a/composer.lock b/composer.lock
index 2378d393e004423d782357dda77b1e5314f9a323..5004da0c5215e2f421a78d7eda6a5e5505f0c4a2 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "9e989ed437e387e3457d27c4c934d00f",
+    "content-hash": "9a3876621a6a69d1826034146021adab",
     "packages": [
         {
             "name": "cogpowered/finediff",
@@ -8320,21 +8320,22 @@
         },
         {
             "name": "typo3/testing-framework",
-            "version": "6.2.4",
+            "version": "6.2.5",
             "source": {
                 "type": "git",
                 "url": "https://github.com/TYPO3/testing-framework.git",
-                "reference": "970fb834d40cb5bf8cc0c2d45f60023d21377911"
+                "reference": "7b920e015f7a45575b428ed3a36afe91b6196af1"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/TYPO3/testing-framework/zipball/970fb834d40cb5bf8cc0c2d45f60023d21377911",
-                "reference": "970fb834d40cb5bf8cc0c2d45f60023d21377911",
+                "url": "https://api.github.com/repos/TYPO3/testing-framework/zipball/7b920e015f7a45575b428ed3a36afe91b6196af1",
+                "reference": "7b920e015f7a45575b428ed3a36afe91b6196af1",
                 "shasum": ""
             },
             "require": {
                 "mikey179/vfsstream": "~1.6.8",
                 "phpunit/phpunit": "^8.4 || ^9.0",
+                "psr/container": "^1.0",
                 "typo3/cms-backend": "10.*.*@dev",
                 "typo3/cms-core": "10.*.*@dev",
                 "typo3/cms-extbase": "10.*.*@dev",
@@ -8376,7 +8377,7 @@
                 "tests",
                 "typo3"
             ],
-            "time": "2020-05-02T12:48:34+00:00"
+            "time": "2020-05-12T15:01:24+00:00"
         }
     ],
     "aliases": [],
diff --git a/typo3/sysext/core/composer.json b/typo3/sysext/core/composer.json
index ddfcf8bda6e9b054bd32285c3e6f9c2480be0042..fc1a76025d4f906f4f420d7dc88fc54ac950266e 100644
--- a/typo3/sysext/core/composer.json
+++ b/typo3/sysext/core/composer.json
@@ -69,7 +69,7 @@
 		"phpspec/prophecy": "^1.7.5",
 		"phpstan/phpstan": "^0.12.13",
 		"typo3/cms-styleguide": "~10.0.2",
-		"typo3/testing-framework": "^6.2.4"
+		"typo3/testing-framework": "^6.2.5"
 	},
 	"suggest": {
 		"ext-fileinfo": "Used for proper file type detection in the file abstraction layer",
diff --git a/typo3/sysext/extbase/Tests/Functional/Mvc/Validation/ActionControllerValidationTest.php b/typo3/sysext/extbase/Tests/Functional/Mvc/Validation/ActionControllerValidationTest.php
index 5b2a6b4668781effc3c560325ce465e8957dbdb6..7ff277f61133117b767238bdf6559b4b2a5d2afc 100644
--- a/typo3/sysext/extbase/Tests/Functional/Mvc/Validation/ActionControllerValidationTest.php
+++ b/typo3/sysext/extbase/Tests/Functional/Mvc/Validation/ActionControllerValidationTest.php
@@ -67,7 +67,7 @@ class ActionControllerValidationTest extends FunctionalTestCase
      */
     public function forwardedActionValidatesPreviouslyIgnoredArgument(array $blogPostArgument, array $trustedProperties, array $expectedErrorCodes)
     {
-        $GLOBALS['LANG'] = GeneralUtility::getContainer()->get(LanguageService::class);
+        $GLOBALS['LANG'] = $this->getContainer()->get(LanguageService::class);
         $GLOBALS['TYPO3_CONF_VARS']['SYS']['encryptionKey'] = 'testkey';
 
         $this->importDataSet('PACKAGE:typo3/testing-framework/Resources/Core/Functional/Fixtures/pages.xml');
@@ -115,7 +115,7 @@ class ActionControllerValidationTest extends FunctionalTestCase
      */
     public function validationResultsAreProvidedForTheSameObjectInDifferentArguments()
     {
-        $GLOBALS['LANG'] = GeneralUtility::getContainer()->get(LanguageService::class);
+        $GLOBALS['LANG'] = $this->getContainer()->get(LanguageService::class);
         $GLOBALS['TYPO3_CONF_VARS']['SYS']['encryptionKey'] = 'testkey';
 
         $this->importDataSet('PACKAGE:typo3/testing-framework/Resources/Core/Functional/Fixtures/pages.xml');
diff --git a/typo3/sysext/extbase/Tests/Functional/Mvc/Web/RequestBuilderTest.php b/typo3/sysext/extbase/Tests/Functional/Mvc/Web/RequestBuilderTest.php
index bced1c23094c37d4e71c9ba2960a29ba48f1a00e..f6c77c12bffe3c68a5ce794ec300baa2ed1d2600 100644
--- a/typo3/sysext/extbase/Tests/Functional/Mvc/Web/RequestBuilderTest.php
+++ b/typo3/sysext/extbase/Tests/Functional/Mvc/Web/RequestBuilderTest.php
@@ -57,7 +57,7 @@ class RequestBuilderTest extends FunctionalTestCase
         $configurationManager = GeneralUtility::makeInstance(ObjectManager::class)->get(ConfigurationManagerInterface::class);
         $configurationManager->setConfiguration($configuration);
 
-        $requestBuilder = GeneralUtility::getContainer()->get(RequestBuilder::class);
+        $requestBuilder = $this->getContainer()->get(RequestBuilder::class);
         $request = $requestBuilder->build();
 
         self::assertInstanceOf(RequestInterface::class, $request);
@@ -89,7 +89,7 @@ class RequestBuilderTest extends FunctionalTestCase
         $configurationManager = GeneralUtility::makeInstance(ObjectManager::class)->get(ConfigurationManagerInterface::class);
         $configurationManager->setConfiguration($configuration);
 
-        $requestBuilder = GeneralUtility::getContainer()->get(RequestBuilder::class);
+        $requestBuilder = $this->getContainer()->get(RequestBuilder::class);
         $request = $requestBuilder->build();
 
         self::assertInstanceOf(RequestInterface::class, $request);
@@ -122,7 +122,7 @@ class RequestBuilderTest extends FunctionalTestCase
         $configurationManager = GeneralUtility::makeInstance(ObjectManager::class)->get(ConfigurationManagerInterface::class);
         $configurationManager->setConfiguration($configuration);
 
-        $requestBuilder = GeneralUtility::getContainer()->get(RequestBuilder::class);
+        $requestBuilder = $this->getContainer()->get(RequestBuilder::class);
         $request = $requestBuilder->build();
 
         self::assertInstanceOf(RequestInterface::class, $request);
@@ -138,7 +138,7 @@ class RequestBuilderTest extends FunctionalTestCase
         static::expectExceptionCode(1289843275);
         static::expectExceptionMessage('"extensionName" is not properly configured. Request can\'t be dispatched!');
 
-        $requestBuilder = GeneralUtility::getContainer()->get(RequestBuilder::class);
+        $requestBuilder = $this->getContainer()->get(RequestBuilder::class);
         $requestBuilder->build();
     }
 
@@ -155,7 +155,7 @@ class RequestBuilderTest extends FunctionalTestCase
         $configurationManager = GeneralUtility::makeInstance(ObjectManager::class)->get(ConfigurationManagerInterface::class);
         $configurationManager->setConfiguration(['extensionName' => 'blog_example']);
 
-        $requestBuilder = GeneralUtility::getContainer()->get(RequestBuilder::class);
+        $requestBuilder = $this->getContainer()->get(RequestBuilder::class);
         $requestBuilder->build();
     }
 
@@ -191,7 +191,7 @@ class RequestBuilderTest extends FunctionalTestCase
         $configurationManager = GeneralUtility::makeInstance(ObjectManager::class)->get(ConfigurationManagerInterface::class);
         $configurationManager->setConfiguration($configuration);
 
-        $requestBuilder = GeneralUtility::getContainer()->get(RequestBuilder::class);
+        $requestBuilder = $this->getContainer()->get(RequestBuilder::class);
         $request = $requestBuilder->build();
 
         self::assertInstanceOf(RequestInterface::class, $request);
@@ -248,7 +248,7 @@ class RequestBuilderTest extends FunctionalTestCase
         $configurationManager = GeneralUtility::makeInstance(ObjectManager::class)->get(ConfigurationManagerInterface::class);
         $configurationManager->setConfiguration($configuration);
 
-        $requestBuilder = GeneralUtility::getContainer()->get(RequestBuilder::class);
+        $requestBuilder = $this->getContainer()->get(RequestBuilder::class);
         $request = $requestBuilder->build();
 
         self::assertInstanceOf(RequestInterface::class, $request);
@@ -300,7 +300,7 @@ class RequestBuilderTest extends FunctionalTestCase
         $configurationManager = GeneralUtility::makeInstance(ObjectManager::class)->get(ConfigurationManagerInterface::class);
         $configurationManager->setConfiguration($configuration);
 
-        $requestBuilder = GeneralUtility::getContainer()->get(RequestBuilder::class);
+        $requestBuilder = $this->getContainer()->get(RequestBuilder::class);
         $requestBuilder->build();
     }
 
@@ -335,7 +335,7 @@ class RequestBuilderTest extends FunctionalTestCase
         $configurationManager = GeneralUtility::makeInstance(ObjectManager::class)->get(ConfigurationManagerInterface::class);
         $configurationManager->setConfiguration($configuration);
 
-        $requestBuilder = GeneralUtility::getContainer()->get(RequestBuilder::class);
+        $requestBuilder = $this->getContainer()->get(RequestBuilder::class);
         $requestBuilder->build();
     }
 
@@ -359,7 +359,7 @@ class RequestBuilderTest extends FunctionalTestCase
         $configurationManager = GeneralUtility::makeInstance(ObjectManager::class)->get(ConfigurationManagerInterface::class);
         $configurationManager->setConfiguration($configuration);
 
-        $requestBuilder = GeneralUtility::getContainer()->get(RequestBuilder::class);
+        $requestBuilder = $this->getContainer()->get(RequestBuilder::class);
         $requestBuilder->build();
     }
 
@@ -390,7 +390,7 @@ class RequestBuilderTest extends FunctionalTestCase
         $configurationManager = GeneralUtility::makeInstance(ObjectManager::class)->get(ConfigurationManagerInterface::class);
         $configurationManager->setConfiguration($configuration);
 
-        $requestBuilder = GeneralUtility::getContainer()->get(RequestBuilder::class);
+        $requestBuilder = $this->getContainer()->get(RequestBuilder::class);
         $request = $requestBuilder->build();
 
         self::assertInstanceOf(RequestInterface::class, $request);
@@ -432,7 +432,7 @@ class RequestBuilderTest extends FunctionalTestCase
         $configurationManager = GeneralUtility::makeInstance(ObjectManager::class)->get(ConfigurationManagerInterface::class);
         $configurationManager->setConfiguration($configuration);
 
-        $requestBuilder = GeneralUtility::getContainer()->get(RequestBuilder::class);
+        $requestBuilder = $this->getContainer()->get(RequestBuilder::class);
         $request = $requestBuilder->build();
 
         self::assertInstanceOf(RequestInterface::class, $request);
@@ -469,7 +469,7 @@ class RequestBuilderTest extends FunctionalTestCase
         $configurationManager = GeneralUtility::makeInstance(ObjectManager::class)->get(ConfigurationManagerInterface::class);
         $configurationManager->setConfiguration($configuration);
 
-        $requestBuilder = GeneralUtility::getContainer()->get(RequestBuilder::class);
+        $requestBuilder = $this->getContainer()->get(RequestBuilder::class);
         $requestBuilder->build();
     }
 
@@ -504,7 +504,7 @@ class RequestBuilderTest extends FunctionalTestCase
         $configurationManager = GeneralUtility::makeInstance(ObjectManager::class)->get(ConfigurationManagerInterface::class);
         $configurationManager->setConfiguration($configuration);
 
-        $requestBuilder = GeneralUtility::getContainer()->get(RequestBuilder::class);
+        $requestBuilder = $this->getContainer()->get(RequestBuilder::class);
         $requestBuilder->build();
     }
 
@@ -535,7 +535,7 @@ class RequestBuilderTest extends FunctionalTestCase
         $configurationManager = GeneralUtility::makeInstance(ObjectManager::class)->get(ConfigurationManagerInterface::class);
         $configurationManager->setConfiguration($configuration);
 
-        $requestBuilder = GeneralUtility::getContainer()->get(RequestBuilder::class);
+        $requestBuilder = $this->getContainer()->get(RequestBuilder::class);
         $request = $requestBuilder->build();
 
         self::assertInstanceOf(RequestInterface::class, $request);
@@ -570,7 +570,7 @@ class RequestBuilderTest extends FunctionalTestCase
         $configurationManager = GeneralUtility::makeInstance(ObjectManager::class)->get(ConfigurationManagerInterface::class);
         $configurationManager->setConfiguration($configuration);
 
-        $requestBuilder = GeneralUtility::getContainer()->get(RequestBuilder::class);
+        $requestBuilder = $this->getContainer()->get(RequestBuilder::class);
         $request = $requestBuilder->build();
 
         self::assertInstanceOf(RequestInterface::class, $request);
@@ -604,7 +604,7 @@ class RequestBuilderTest extends FunctionalTestCase
         $configurationManager = GeneralUtility::makeInstance(ObjectManager::class)->get(ConfigurationManagerInterface::class);
         $configurationManager->setConfiguration($configuration);
 
-        $requestBuilder = GeneralUtility::getContainer()->get(RequestBuilder::class);
+        $requestBuilder = $this->getContainer()->get(RequestBuilder::class);
         $requestBuilder->build();
     }
 
@@ -638,7 +638,7 @@ class RequestBuilderTest extends FunctionalTestCase
         $configurationManager = GeneralUtility::makeInstance(ObjectManager::class)->get(ConfigurationManagerInterface::class);
         $configurationManager->setConfiguration($configuration);
 
-        $requestBuilder = GeneralUtility::getContainer()->get(RequestBuilder::class);
+        $requestBuilder = $this->getContainer()->get(RequestBuilder::class);
         $request = $requestBuilder->build();
 
         self::assertInstanceOf(RequestInterface::class, $request);
@@ -677,7 +677,7 @@ class RequestBuilderTest extends FunctionalTestCase
         $configurationManager = GeneralUtility::makeInstance(ObjectManager::class)->get(ConfigurationManagerInterface::class);
         $configurationManager->setConfiguration($configuration);
 
-        $requestBuilder = GeneralUtility::getContainer()->get(RequestBuilder::class);
+        $requestBuilder = $this->getContainer()->get(RequestBuilder::class);
         $request = $requestBuilder->build();
 
         self::assertInstanceOf(RequestInterface::class, $request);
@@ -714,7 +714,7 @@ class RequestBuilderTest extends FunctionalTestCase
         $configurationManager = GeneralUtility::makeInstance(ObjectManager::class)->get(ConfigurationManagerInterface::class);
         $configurationManager->setConfiguration($configuration);
 
-        $requestBuilder = GeneralUtility::getContainer()->get(RequestBuilder::class);
+        $requestBuilder = $this->getContainer()->get(RequestBuilder::class);
         $request = $requestBuilder->build();
 
         self::assertInstanceOf(RequestInterface::class, $request);
diff --git a/typo3/sysext/extbase/Tests/Functional/Property/PropertyMapperTest.php b/typo3/sysext/extbase/Tests/Functional/Property/PropertyMapperTest.php
index 54f19ccdeb1be9a5ccfc0003b3fa7943449c795b..d0167b7bbd284c01528ece9f885a5d9bd7d5912c 100644
--- a/typo3/sysext/extbase/Tests/Functional/Property/PropertyMapperTest.php
+++ b/typo3/sysext/extbase/Tests/Functional/Property/PropertyMapperTest.php
@@ -17,7 +17,6 @@ declare(strict_types=1);
 
 namespace TYPO3\CMS\Extbase\Tests\Functional\Property;
 
-use TYPO3\CMS\Core\Utility\GeneralUtility;
 use TYPO3\CMS\Extbase\Domain\Model\BackendUser;
 use TYPO3\CMS\Extbase\Persistence\ObjectStorage;
 use TYPO3\CMS\Extbase\Property\Exception\TargetNotFoundException;
@@ -45,7 +44,7 @@ class PropertyMapperTest extends FunctionalTestCase
         $class = new class() extends ArrayConverter {
         };
         ExtensionUtility::registerTypeConverter(get_class($class));
-        GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $this->getContainer()->get(PropertyMapper::class);
     }
 
     /**
@@ -54,7 +53,7 @@ class PropertyMapperTest extends FunctionalTestCase
     public function convertCreatesAPropertyMappingConfigurationIfNotGiven()
     {
         // This test just increases the test coverage
-        GeneralUtility::getContainer()->get(PropertyMapper::class)
+        $this->getContainer()->get(PropertyMapper::class)
             ->convert('string', 'string');
     }
 
@@ -63,7 +62,7 @@ class PropertyMapperTest extends FunctionalTestCase
      */
     public function convertReturnsNullIfDoMappingReturnsAnError()
     {
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
 
         self::assertNull($propertyMapper->convert('string', 'integer'));
         self::assertNotEmpty($propertyMapper->getMessages());
@@ -77,7 +76,7 @@ class PropertyMapperTest extends FunctionalTestCase
         static::expectException(TargetNotFoundException::class);
         static::expectExceptionCode(1297933823);
 
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
         $propertyMapper->convert(9999, BackendUser::class);
     }
 
@@ -90,7 +89,7 @@ class PropertyMapperTest extends FunctionalTestCase
         static::expectExceptionCode(1297759968);
         static::expectExceptionMessage('Exception while property mapping at property path "": No converter found which can be used to convert from "integer" to "boolean"');
 
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
         $propertyMapper->convert(9999, 'boolean');
     }
 
@@ -103,7 +102,7 @@ class PropertyMapperTest extends FunctionalTestCase
         static::expectExceptionCode(1297759968);
         static::expectExceptionMessage('Exception while property mapping at property path "": The target type was no string, but of type "NULL"');
 
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
         $propertyMapper->convert(9999, null);
     }
 
@@ -112,7 +111,7 @@ class PropertyMapperTest extends FunctionalTestCase
      */
     public function convertInternallyConvertsANullSourceToAnEmptyString()
     {
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
         self::assertSame('', $propertyMapper->convert(null, 'string'));
     }
 
@@ -125,7 +124,7 @@ class PropertyMapperTest extends FunctionalTestCase
         static::expectExceptionCode(1297759968);
         static::expectExceptionMessage('Exception while property mapping at property path "": Could not find a suitable type converter for "NonExistingClass" because no such class or interface exists.');
 
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
         $propertyMapper->convert(1, 'NonExistingClass');
     }
 
@@ -170,7 +169,7 @@ class PropertyMapperTest extends FunctionalTestCase
         ExtensionUtility::registerTypeConverter(get_class($converterOne));
         ExtensionUtility::registerTypeConverter(get_class($converterTwo));
 
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
         $propertyMapper->convert(1, get_class($counter));
     }
 
@@ -181,7 +180,7 @@ class PropertyMapperTest extends FunctionalTestCase
     {
         $objectStorage = new ObjectStorage();
 
-        $result = GeneralUtility::getContainer()->get(PropertyMapper::class)->convert(
+        $result = $this->getContainer()->get(PropertyMapper::class)->convert(
             $objectStorage,
             '\TYPO3\CMS\Extbase\Persistence\ObjectStorage<\TYPO3\CMS\Extbase\Domain\Model\BackendUser>'
         );
@@ -204,7 +203,7 @@ class PropertyMapperTest extends FunctionalTestCase
         $propertyMappingConfiguration = new PropertyMappingConfiguration();
         $propertyMappingConfiguration->setTypeConverter($class);
 
-        $result = GeneralUtility::getContainer()->get(PropertyMapper::class)->convert(
+        $result = $this->getContainer()->get(PropertyMapper::class)->convert(
             1,
             'integer',
             $propertyMappingConfiguration
@@ -226,7 +225,7 @@ class PropertyMapperTest extends FunctionalTestCase
             return 'string';
         };
 
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
         $propertyMapper->convert($generator, 'string');
     }
 
@@ -241,7 +240,7 @@ class PropertyMapperTest extends FunctionalTestCase
 
         $GLOBALS['TYPO3_CONF_VARS']['EXTCONF']['extbase']['typeConverters'] = [];
 
-        $result = GeneralUtility::getContainer()->get(PropertyMapper::class)->convert(1, Cat::class);
+        $result = $this->getContainer()->get(PropertyMapper::class)->convert(1, Cat::class);
         self::assertNull($result);
     }
 
@@ -263,7 +262,7 @@ class PropertyMapperTest extends FunctionalTestCase
 
         ExtensionUtility::registerTypeConverter(get_class($converter));
 
-        $result = GeneralUtility::getContainer()->get(PropertyMapper::class)->convert('tigger', Cat::class);
+        $result = $this->getContainer()->get(PropertyMapper::class)->convert('tigger', Cat::class);
         self::assertInstanceOf(Cat::class, $result);
     }
 
@@ -285,7 +284,7 @@ class PropertyMapperTest extends FunctionalTestCase
 
         ExtensionUtility::registerTypeConverter(get_class($converter));
 
-        $result = GeneralUtility::getContainer()->get(PropertyMapper::class)->convert('tigger', Cat::class);
+        $result = $this->getContainer()->get(PropertyMapper::class)->convert('tigger', Cat::class);
         self::assertInstanceOf(Animal::class, $result);
     }
 
@@ -314,7 +313,7 @@ class PropertyMapperTest extends FunctionalTestCase
 
         ExtensionUtility::registerTypeConverter(get_class($converter));
 
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
         $result = $propertyMapper->convert(1, get_class($counter));
 
         self::assertSame([], $result);
@@ -332,7 +331,7 @@ class PropertyMapperTest extends FunctionalTestCase
         $propertyMappingConfiguration = new PropertyMappingConfiguration();
         $propertyMappingConfiguration->allowAllProperties();
 
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
         /** @var Cat $result */
         $result = $propertyMapper->convert(
             $source,
@@ -356,7 +355,7 @@ class PropertyMapperTest extends FunctionalTestCase
         $propertyMappingConfiguration = new PropertyMappingConfiguration();
         $propertyMappingConfiguration->skipProperties('color');
 
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
         /** @var Cat $result */
         $result = $propertyMapper->convert(
             $source,
@@ -384,7 +383,7 @@ class PropertyMapperTest extends FunctionalTestCase
         $propertyMappingConfiguration = new PropertyMappingConfiguration();
         $propertyMappingConfiguration->allowAllPropertiesExcept('color');
 
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
         $propertyMapper->convert(
             $source,
             Cat::class,
@@ -405,7 +404,7 @@ class PropertyMapperTest extends FunctionalTestCase
         $propertyMappingConfiguration->allowAllPropertiesExcept('color');
         $propertyMappingConfiguration->skipUnknownProperties();
 
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
         /** @var Cat $result */
         $result = $propertyMapper->convert(
             $source,
diff --git a/typo3/sysext/extbase/Tests/Functional/Property/TypeConverter/ArrayConverterTest.php b/typo3/sysext/extbase/Tests/Functional/Property/TypeConverter/ArrayConverterTest.php
index aa9d27193f0b110d0b2bd58cc6589a07a3c19864..e74f4d847698563442a8f228c94737f73b3f67ca 100644
--- a/typo3/sysext/extbase/Tests/Functional/Property/TypeConverter/ArrayConverterTest.php
+++ b/typo3/sysext/extbase/Tests/Functional/Property/TypeConverter/ArrayConverterTest.php
@@ -17,7 +17,6 @@ declare(strict_types=1);
 
 namespace TYPO3\CMS\Extbase\Tests\Functional\Property\TypeConverter;
 
-use TYPO3\CMS\Core\Utility\GeneralUtility;
 use TYPO3\CMS\Extbase\Property\PropertyMapper;
 use TYPO3\TestingFramework\Core\Functional\FunctionalTestCase;
 
@@ -28,7 +27,7 @@ class ArrayConverterTest extends FunctionalTestCase
      */
     public function convertToArray()
     {
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
 
         self::assertSame([], $propertyMapper->convert([], 'array'));
 
diff --git a/typo3/sysext/extbase/Tests/Functional/Property/TypeConverter/BooleanConverterTest.php b/typo3/sysext/extbase/Tests/Functional/Property/TypeConverter/BooleanConverterTest.php
index 88f041ee706115eb958dbd9549ff599d437c2e34..c4e40be69619e1adcd1b6e2c3f64f07302c0ffbc 100644
--- a/typo3/sysext/extbase/Tests/Functional/Property/TypeConverter/BooleanConverterTest.php
+++ b/typo3/sysext/extbase/Tests/Functional/Property/TypeConverter/BooleanConverterTest.php
@@ -17,7 +17,6 @@ declare(strict_types=1);
 
 namespace TYPO3\CMS\Extbase\Tests\Functional\Property\TypeConverter;
 
-use TYPO3\CMS\Core\Utility\GeneralUtility;
 use TYPO3\CMS\Extbase\Property\PropertyMapper;
 use TYPO3\TestingFramework\Core\Functional\FunctionalTestCase;
 
@@ -28,7 +27,7 @@ class BooleanConverterTest extends FunctionalTestCase
      */
     public function convertToBoolean()
     {
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
 
         self::assertTrue($propertyMapper->convert(true, 'boolean'));
         self::assertFalse($propertyMapper->convert(false, 'boolean'));
diff --git a/typo3/sysext/extbase/Tests/Functional/Property/TypeConverter/DateTimeConverterTest.php b/typo3/sysext/extbase/Tests/Functional/Property/TypeConverter/DateTimeConverterTest.php
index 1bc092d8f1c056c4059e5acbafed81fff14a1c88..d0e0acdaf8e6cac32a01bf1427bdf9a0171fe52a 100644
--- a/typo3/sysext/extbase/Tests/Functional/Property/TypeConverter/DateTimeConverterTest.php
+++ b/typo3/sysext/extbase/Tests/Functional/Property/TypeConverter/DateTimeConverterTest.php
@@ -17,7 +17,6 @@ declare(strict_types=1);
 
 namespace TYPO3\CMS\Extbase\Tests\Functional\Property\TypeConverter;
 
-use TYPO3\CMS\Core\Utility\GeneralUtility;
 use TYPO3\CMS\Extbase\Property\Exception;
 use TYPO3\CMS\Extbase\Property\PropertyMapper;
 use TYPO3\CMS\Extbase\Property\PropertyMappingConfiguration;
@@ -31,7 +30,7 @@ class DateTimeConverterTest extends FunctionalTestCase
      */
     public function convertFromReturnsAnErrorWhenConvertingIntegersToDateTime()
     {
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
 
         $dateTime = $propertyMapper->convert(0, \DateTime::class);
 
@@ -48,7 +47,7 @@ class DateTimeConverterTest extends FunctionalTestCase
      */
     public function convertFromReturnsNullIfSourceIsAnEmptyString()
     {
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
 
         $dateTime = $propertyMapper->convert('', \DateTime::class);
 
@@ -61,7 +60,7 @@ class DateTimeConverterTest extends FunctionalTestCase
      */
     public function convertDefaultDateFormatString()
     {
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
 
         $dateTime = $propertyMapper->convert('2019-12-07T19:07:02+00:00', \DateTime::class);
 
@@ -81,7 +80,7 @@ class DateTimeConverterTest extends FunctionalTestCase
             \DateTime::RFC7231
         );
 
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
 
         $dateTime = $propertyMapper->convert(
             'Sat, 07 Dec 2019 19:15:45 GMT',
@@ -109,7 +108,7 @@ class DateTimeConverterTest extends FunctionalTestCase
             []
         );
 
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
 
         $propertyMapper->convert(
             'Sat, 07 Dec 2019 19:15:45 GMT',
@@ -123,7 +122,7 @@ class DateTimeConverterTest extends FunctionalTestCase
      */
     public function convertWithArraySourceWithStringDate()
     {
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
 
         $dateTime = $propertyMapper->convert(
             [
@@ -148,7 +147,7 @@ class DateTimeConverterTest extends FunctionalTestCase
             'U'
         );
 
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
 
         $dateTime = $propertyMapper->convert(
             [
@@ -174,7 +173,7 @@ class DateTimeConverterTest extends FunctionalTestCase
             'Y-m-d'
         );
 
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
 
         $dateTime = $propertyMapper->convert(
             [
@@ -195,7 +194,7 @@ class DateTimeConverterTest extends FunctionalTestCase
      */
     public function convertWithArraySourceWithDayMonthYearAndDateFormatSet()
     {
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
 
         $dateTime = $propertyMapper->convert(
             [
@@ -216,7 +215,7 @@ class DateTimeConverterTest extends FunctionalTestCase
      */
     public function convertWithArraySourceWithDayMonthYearHourMinuteAndSecondSet()
     {
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
 
         $dateTime = $propertyMapper->convert(
             [
@@ -245,7 +244,7 @@ class DateTimeConverterTest extends FunctionalTestCase
         // The timezone parameter and the current timezone are ignored when the time parameter
         // either contains a UNIX timestamp (e.g. 946684800) or specifies a timezone (e.g. 2010-01-28T15:00:00+02:00).
 
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
 
         $dateTime = $propertyMapper->convert(
             [
@@ -272,7 +271,7 @@ class DateTimeConverterTest extends FunctionalTestCase
             'Y-m-d H:i:s'
         );
 
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
 
         $dateTime = $propertyMapper->convert(
             [
@@ -293,7 +292,7 @@ class DateTimeConverterTest extends FunctionalTestCase
      */
     public function convertFromReturnsErrorIfSourceIsAnArrayAndEitherDayMonthOrYearAreLowerThanOne()
     {
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
 
         $dateTime = $propertyMapper->convert(
             [
@@ -321,7 +320,7 @@ class DateTimeConverterTest extends FunctionalTestCase
         static::expectExceptionCode(1297759968);
         static::expectExceptionMessage('Exception while property mapping at property path "": Could not convert the given source into a DateTime object because it was not an array with a valid date as a string');
 
-        GeneralUtility::getContainer()->get(PropertyMapper::class)->convert([], \DateTime::class);
+        $this->getContainer()->get(PropertyMapper::class)->convert([], \DateTime::class);
     }
 
     /**
@@ -340,7 +339,7 @@ class DateTimeConverterTest extends FunctionalTestCase
             'Y-m-d H:i:s'
         );
 
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
 
         $propertyMapper->convert(
             [
diff --git a/typo3/sysext/extbase/Tests/Functional/Property/TypeConverter/FileConverterTest.php b/typo3/sysext/extbase/Tests/Functional/Property/TypeConverter/FileConverterTest.php
index a1c28d3fc1df7c2ea4abbb6316fa11fc972e7448..0f7dbb3635323ce51fd3ec5a255fe57929315f03 100644
--- a/typo3/sysext/extbase/Tests/Functional/Property/TypeConverter/FileConverterTest.php
+++ b/typo3/sysext/extbase/Tests/Functional/Property/TypeConverter/FileConverterTest.php
@@ -18,7 +18,6 @@ declare(strict_types=1);
 namespace TYPO3\CMS\Extbase\Tests\Functional\Property\TypeConverter;
 
 use TYPO3\CMS\Core\Authentication\BackendUserAuthentication;
-use TYPO3\CMS\Core\Utility\GeneralUtility;
 use TYPO3\CMS\Extbase\Domain\Model\File;
 use TYPO3\CMS\Extbase\Property\PropertyMapper;
 use TYPO3\TestingFramework\Core\Functional\FunctionalTestCase;
@@ -36,7 +35,7 @@ class FileConverterTest extends FunctionalTestCase
         $this->importDataSet(__DIR__ . '/../Fixtures/DatabaseImports/sys_file.xml');
         $this->importDataSet(__DIR__ . '/../Fixtures/DatabaseImports/sys_file_storage.xml');
 
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
 
         /** @var File $file */
         $file = $propertyMapper->convert(
diff --git a/typo3/sysext/extbase/Tests/Functional/Property/TypeConverter/FloatConverterTest.php b/typo3/sysext/extbase/Tests/Functional/Property/TypeConverter/FloatConverterTest.php
index f2a656ba434f3932f5f61e08ca48f1d3731a864f..e6e73ea8ffe9cde963291b7ba22a1b2c647dfc6f 100644
--- a/typo3/sysext/extbase/Tests/Functional/Property/TypeConverter/FloatConverterTest.php
+++ b/typo3/sysext/extbase/Tests/Functional/Property/TypeConverter/FloatConverterTest.php
@@ -17,7 +17,6 @@ declare(strict_types=1);
 
 namespace TYPO3\CMS\Extbase\Tests\Functional\Property\TypeConverter;
 
-use TYPO3\CMS\Core\Utility\GeneralUtility;
 use TYPO3\CMS\Extbase\Property\PropertyMapper;
 use TYPO3\TestingFramework\Core\Functional\FunctionalTestCase;
 
@@ -28,7 +27,7 @@ class FloatConverterTest extends FunctionalTestCase
      */
     public function convertToFloat()
     {
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
 
         self::assertSame(10.1, $propertyMapper->convert(10.1, 'float'));
 
diff --git a/typo3/sysext/extbase/Tests/Functional/Property/TypeConverter/IntegerConverterTest.php b/typo3/sysext/extbase/Tests/Functional/Property/TypeConverter/IntegerConverterTest.php
index 51d78ff3faef9e44a38ff8c226a5c3915256deb0..abcfcbd4d1925ae7a7788974a7a9ed9d92bbb243 100644
--- a/typo3/sysext/extbase/Tests/Functional/Property/TypeConverter/IntegerConverterTest.php
+++ b/typo3/sysext/extbase/Tests/Functional/Property/TypeConverter/IntegerConverterTest.php
@@ -17,7 +17,6 @@ declare(strict_types=1);
 
 namespace TYPO3\CMS\Extbase\Tests\Functional\Property\TypeConverter;
 
-use TYPO3\CMS\Core\Utility\GeneralUtility;
 use TYPO3\CMS\Extbase\Property\PropertyMapper;
 use TYPO3\TestingFramework\Core\Functional\FunctionalTestCase;
 
@@ -28,7 +27,7 @@ class IntegerConverterTest extends FunctionalTestCase
      */
     public function convertToInteger()
     {
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
 
         self::assertSame(10, $propertyMapper->convert(10, 'integer'));
 
diff --git a/typo3/sysext/extbase/Tests/Functional/Property/TypeConverter/ObjectConverterTest.php b/typo3/sysext/extbase/Tests/Functional/Property/TypeConverter/ObjectConverterTest.php
index c135f08425a55483b87aec62c7e47c70c9a83db6..f011e9841bc9435cf8af0eee6e6ce3a263d97229 100644
--- a/typo3/sysext/extbase/Tests/Functional/Property/TypeConverter/ObjectConverterTest.php
+++ b/typo3/sysext/extbase/Tests/Functional/Property/TypeConverter/ObjectConverterTest.php
@@ -17,7 +17,6 @@ declare(strict_types=1);
 
 namespace TYPO3\CMS\Extbase\Tests\Functional\Property\TypeConverter;
 
-use TYPO3\CMS\Core\Utility\GeneralUtility;
 use TYPO3\CMS\Extbase\DomainObject\AbstractEntity;
 use TYPO3\CMS\Extbase\Property\Exception;
 use TYPO3\CMS\Extbase\Property\PropertyMapper;
@@ -34,7 +33,7 @@ class ObjectConverterTest extends FunctionalTestCase
      */
     public function convertToObject()
     {
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
 
         $model = new class() extends AbstractEntity {
             /**
@@ -60,7 +59,7 @@ class ObjectConverterTest extends FunctionalTestCase
      */
     public function convertToObjectViaTypeInArray()
     {
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
 
         $propertyMapperConfiguration = new PropertyMappingConfiguration();
         $propertyMapperConfiguration->allowAllProperties();
@@ -90,7 +89,7 @@ class ObjectConverterTest extends FunctionalTestCase
             public $name;
         };
 
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
         $propertyMapperConfiguration = new PropertyMappingConfiguration();
         $propertyMapperConfiguration->allowAllProperties();
         $propertyMapperConfiguration
@@ -128,7 +127,7 @@ class ObjectConverterTest extends FunctionalTestCase
             }
         };
 
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
         $propertyMapperConfiguration = new PropertyMappingConfiguration();
         $propertyMapperConfiguration->allowAllProperties();
 
@@ -158,7 +157,7 @@ class ObjectConverterTest extends FunctionalTestCase
             }
         };
 
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
         $propertyMapperConfiguration = new PropertyMappingConfiguration();
         $propertyMapperConfiguration->allowAllProperties();
 
@@ -186,7 +185,7 @@ class ObjectConverterTest extends FunctionalTestCase
         static::expectExceptionCode(1297759968);
         static::expectExceptionMessage('Exception while property mapping at property path "": Type of child property "' . $propertyName . '" of class "' . $className . '" could not be derived from constructor arguments as said class does not have a constructor defined.');
 
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
         $propertyMapperConfiguration = new PropertyMappingConfiguration();
         $propertyMapperConfiguration->allowAllProperties();
 
@@ -215,7 +214,7 @@ class ObjectConverterTest extends FunctionalTestCase
         static::expectExceptionCode(1297759968);
         static::expectExceptionMessage('Exception while property mapping at property path "": Type of child property "' . $propertyName . '" of class "' . $className . '" could not be derived from constructor arguments as the constructor of said class does not have a parameter with property name "' . $propertyName . '".');
 
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
         $propertyMapperConfiguration = new PropertyMappingConfiguration();
         $propertyMapperConfiguration->allowAllProperties();
 
@@ -244,7 +243,7 @@ class ObjectConverterTest extends FunctionalTestCase
         static::expectExceptionCode(1297759968);
         static::expectExceptionMessage('Exception while property mapping at property path "": Type of child property "' . $propertyName . '" of class "' . $className . '" could not be derived from constructor argument "' . $propertyName . '". This usually happens if the argument misses a type hint.');
 
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
         $propertyMapperConfiguration = new PropertyMappingConfiguration();
         $propertyMapperConfiguration->allowAllProperties();
 
@@ -270,7 +269,7 @@ class ObjectConverterTest extends FunctionalTestCase
             }
         };
 
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
         $propertyMapperConfiguration = new PropertyMappingConfiguration();
         $propertyMapperConfiguration->allowAllProperties();
 
@@ -294,7 +293,7 @@ class ObjectConverterTest extends FunctionalTestCase
             private $name;
         };
 
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
         $propertyMapperConfiguration = new PropertyMappingConfiguration();
         $propertyMapperConfiguration->allowAllProperties();
         $propertyMapperConfiguration
@@ -328,7 +327,7 @@ class ObjectConverterTest extends FunctionalTestCase
             }
         };
 
-        $result = GeneralUtility::getContainer()->get(PropertyMapper::class)->convert(
+        $result = $this->getContainer()->get(PropertyMapper::class)->convert(
             ['name' => 'foo'],
             get_class($class)
         );
@@ -356,7 +355,7 @@ class ObjectConverterTest extends FunctionalTestCase
             }
         };
 
-        GeneralUtility::getContainer()->get(PropertyMapper::class)->convert(
+        $this->getContainer()->get(PropertyMapper::class)->convert(
             ['name' => 'foo'],
             get_class($class)
         );
@@ -374,7 +373,7 @@ class ObjectConverterTest extends FunctionalTestCase
         $class = new class() {
         };
 
-        GeneralUtility::getContainer()->get(PropertyMapper::class)->convert(
+        $this->getContainer()->get(PropertyMapper::class)->convert(
             ['__type' => Animal::class],
             get_class($class)
         );
@@ -400,7 +399,7 @@ class ObjectConverterTest extends FunctionalTestCase
             true
         );
 
-        GeneralUtility::getContainer()->get(PropertyMapper::class)->convert(
+        $this->getContainer()->get(PropertyMapper::class)->convert(
             ['__type' => Animal::class],
             get_class($class),
             $propertyMapperConfiguration
diff --git a/typo3/sysext/extbase/Tests/Functional/Property/TypeConverter/ObjectStorageConverterTest.php b/typo3/sysext/extbase/Tests/Functional/Property/TypeConverter/ObjectStorageConverterTest.php
index ed9dcce1aee479f1bad5fb0f4d6e765883f07252..841c664bd45032a0a25034124441d1035b28fec3 100644
--- a/typo3/sysext/extbase/Tests/Functional/Property/TypeConverter/ObjectStorageConverterTest.php
+++ b/typo3/sysext/extbase/Tests/Functional/Property/TypeConverter/ObjectStorageConverterTest.php
@@ -17,7 +17,6 @@ declare(strict_types=1);
 
 namespace TYPO3\CMS\Extbase\Tests\Functional\Property\TypeConverter;
 
-use TYPO3\CMS\Core\Utility\GeneralUtility;
 use TYPO3\CMS\Extbase\Persistence\ObjectStorage;
 use TYPO3\CMS\Extbase\Property\PropertyMapper;
 use TYPO3\CMS\Extbase\Property\PropertyMappingConfiguration;
@@ -35,7 +34,7 @@ class ObjectStorageConverterTest extends FunctionalTestCase
         $propertyMapperConfiguration->allowAllProperties();
         $propertyMapperConfiguration->forProperty('foo')->allowAllProperties();
 
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
 
         $objectStorage = $propertyMapper->convert(
             [
@@ -61,7 +60,7 @@ class ObjectStorageConverterTest extends FunctionalTestCase
         $propertyMapperConfiguration = new PropertyMappingConfiguration();
         $propertyMapperConfiguration->forProperty('foo')->allowAllProperties();
 
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
 
         $objectStorage = $propertyMapper->convert(
             'foo',
diff --git a/typo3/sysext/extbase/Tests/Functional/Property/TypeConverter/PersistentObjectConverterTest.php b/typo3/sysext/extbase/Tests/Functional/Property/TypeConverter/PersistentObjectConverterTest.php
index a0d4926c3af4524390dc9b4232ea2cbdd12e1749..d0a5d2308fc97e7ce24fbd23ea9f5a3618a82039 100644
--- a/typo3/sysext/extbase/Tests/Functional/Property/TypeConverter/PersistentObjectConverterTest.php
+++ b/typo3/sysext/extbase/Tests/Functional/Property/TypeConverter/PersistentObjectConverterTest.php
@@ -17,7 +17,6 @@ declare(strict_types=1);
 
 namespace TYPO3\CMS\Extbase\Tests\Functional\Property\TypeConverter;
 
-use TYPO3\CMS\Core\Utility\GeneralUtility;
 use TYPO3\CMS\Extbase\Domain\Model\BackendUser;
 use TYPO3\CMS\Extbase\Property\Exception;
 use TYPO3\CMS\Extbase\Property\Exception\TargetNotFoundException;
@@ -39,7 +38,7 @@ class PersistentObjectConverterTest extends FunctionalTestCase
      */
     public function converterReturnsNullWithEmptyStringsOrIntegers()
     {
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
 
         self::assertNull($propertyMapper->convert(0, BackendUser::class));
         self::assertNull($propertyMapper->convert('', BackendUser::class));
@@ -54,7 +53,7 @@ class PersistentObjectConverterTest extends FunctionalTestCase
         static::expectExceptionCode(1297759968);
         static::expectExceptionMessage('Exception while property mapping at property path "": The identity property "foo" is no UID.');
 
-        GeneralUtility::getContainer()->get(PropertyMapper::class)->convert('foo', BackendUser::class);
+        $this->getContainer()->get(PropertyMapper::class)->convert('foo', BackendUser::class);
     }
 
     /**
@@ -66,7 +65,7 @@ class PersistentObjectConverterTest extends FunctionalTestCase
         static::expectExceptionCode(1297933823);
         static::expectExceptionMessage('Object of type TYPO3\CMS\Extbase\Domain\Model\BackendUser with identity "2" not found.');
 
-        GeneralUtility::getContainer()->get(PropertyMapper::class)->convert(2, BackendUser::class);
+        $this->getContainer()->get(PropertyMapper::class)->convert(2, BackendUser::class);
     }
 
     /**
@@ -74,7 +73,7 @@ class PersistentObjectConverterTest extends FunctionalTestCase
      */
     public function converterFetchesObjectFromPersistenceIfSourceIsAnInteger()
     {
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
 
         $backendUser = $propertyMapper->convert(1, BackendUser::class);
 
@@ -87,7 +86,7 @@ class PersistentObjectConverterTest extends FunctionalTestCase
      */
     public function converterFetchesObjectFromPersistenceIfSourceIsANumericString()
     {
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
 
         $backendUser = $propertyMapper->convert('1', BackendUser::class);
 
@@ -100,7 +99,7 @@ class PersistentObjectConverterTest extends FunctionalTestCase
      */
     public function converterBuildsEmptyObjectIfSourceIsAnEmptyArray()
     {
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
 
         $backendUser = $propertyMapper->convert([], BackendUser::class);
 
@@ -113,7 +112,7 @@ class PersistentObjectConverterTest extends FunctionalTestCase
      */
     public function converterFetchesObjectFromPersistenceIfSourceIsAnArrayWithIdentityKey()
     {
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
 
         $backendUser = $propertyMapper->convert(['__identity' => 1], BackendUser::class);
 
@@ -137,7 +136,7 @@ class PersistentObjectConverterTest extends FunctionalTestCase
             false
         );
 
-        GeneralUtility::getContainer()->get(PropertyMapper::class)->convert(
+        $this->getContainer()->get(PropertyMapper::class)->convert(
             [],
             BackendUser::class,
             $propertyMapperConfiguration
@@ -149,7 +148,7 @@ class PersistentObjectConverterTest extends FunctionalTestCase
      */
     public function converterRespectsAndSetsProperties()
     {
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
 
         $backendUser = $propertyMapper->convert(['userName' => 'johndoe'], BackendUser::class);
 
@@ -167,7 +166,7 @@ class PersistentObjectConverterTest extends FunctionalTestCase
         static::expectExceptionCode(1297759968);
         static::expectExceptionMessage('Exception while property mapping at property path "": Property "nonExistant" was not found in target object of type "TYPO3\CMS\Extbase\Domain\Model\BackendUser".');
 
-        GeneralUtility::getContainer()->get(PropertyMapper::class)->convert(['nonExistant' => 'johndoe'], BackendUser::class);
+        $this->getContainer()->get(PropertyMapper::class)->convert(['nonExistant' => 'johndoe'], BackendUser::class);
     }
 
     /**
@@ -179,6 +178,6 @@ class PersistentObjectConverterTest extends FunctionalTestCase
         static::expectExceptionCode(1297759968);
         static::expectExceptionMessage('Exception while property mapping at property path "": Property "uid" having a value of type "integer" could not be set in target object of type "TYPO3\CMS\Extbase\Domain\Model\BackendUser"');
 
-        GeneralUtility::getContainer()->get(PropertyMapper::class)->convert(['uid' => 7], BackendUser::class);
+        $this->getContainer()->get(PropertyMapper::class)->convert(['uid' => 7], BackendUser::class);
     }
 }
diff --git a/typo3/sysext/extbase/Tests/Functional/Property/TypeConverter/StringConverterTest.php b/typo3/sysext/extbase/Tests/Functional/Property/TypeConverter/StringConverterTest.php
index f121d4b4926012b5ca6b7a7a53cd807655f7fb34..ea2c4ae540ce2621f010843b6334262c9f0b5b2b 100644
--- a/typo3/sysext/extbase/Tests/Functional/Property/TypeConverter/StringConverterTest.php
+++ b/typo3/sysext/extbase/Tests/Functional/Property/TypeConverter/StringConverterTest.php
@@ -17,7 +17,6 @@ declare(strict_types=1);
 
 namespace TYPO3\CMS\Extbase\Tests\Functional\Property\TypeConverter;
 
-use TYPO3\CMS\Core\Utility\GeneralUtility;
 use TYPO3\CMS\Extbase\Property\PropertyMapper;
 use TYPO3\TestingFramework\Core\Functional\FunctionalTestCase;
 
@@ -28,7 +27,7 @@ class StringConverterTest extends FunctionalTestCase
      */
     public function convertToString()
     {
-        $propertyMapper = GeneralUtility::getContainer()->get(PropertyMapper::class);
+        $propertyMapper = $this->getContainer()->get(PropertyMapper::class);
 
         self::assertSame('string', $propertyMapper->convert('string', 'string'));
         self::assertSame('10', $propertyMapper->convert(10, 'string'));