Fix missing/wrong properties in `createTestConfig` #4914

Job	Run time
Config export (macos-latest, linked)	59s
Config export (ubuntu-latest, nightly-latest)	57s
Config export (ubuntu-latest, linked)	59s
Config export (windows-latest, nightly-latest)	4m 37s
Config export (windows-latest, linked)	1m 52s
Config export (macos-latest, nightly-latest)	1m 23s
	10m 47s

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