TASK: Bootstrap for tests provided

tests/bootstrap.php

+<?php
+
+error_reporting(E_ALL);
+
+if (function_exists('date_default_timezone_set') && function_exists('date_default_timezone_get')) {
+    date_default_timezone_set(@date_default_timezone_get());
+}
+
+function includeIfExists($file)
+{
+    return file_exists($file) ? include $file : false;
+}
+
+if (!$autoLoader = includeIfExists(__DIR__ . '/../vendor/autoload.php')) {
+    echo 'You must set up the project dependencies, run the following command from the project root:' . PHP_EOL .
+        'php composer.phar install' . PHP_EOL;
+    exit(1);
+}
+
+return $autoLoader;