[TASK] Have static DP in PlatformInformationTest

Resolves: #100397
Related: #100249
Releases: main
Change-Id: I5578b8fbd76e198d91c2aad5421e715957981f94
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/78371


Tested-by: core-ci <typo3@b13.com>
Tested-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Oliver Klee <typo3-coding@oliverklee.de>
Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>