test: refactor `ConfigCheckTest` #12524

Job	Run time
Setup PHP Version for Code Coverage	1s
Others (8.2) / Sanity Tests	18s
Others (8.3) / Sanity Tests	17s
Others (8.1) / Sanity Tests	18s
SeparateProcess	1s
DatabaseLive	1s
CacheLive	1s
Upload coverage results to Coveralls	1s
	58s

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