[TASK] Adjust namespaces of test classes in dynamicReturnTypesMeta.json

Resolves: #79393
Releases: master
Change-Id: Ic8c0ec41b7421873c4dcbaaa89e483b09ad5608a
Reviewed-on: https://review.typo3.org/51364


Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Andreas Fernandez <typo3@scripting-base.de>
Tested-by: Andreas Fernandez <typo3@scripting-base.de>