Lint

Fix PytestAssertRewriteWarning for credentials fixture module #7414

Job	Run time
build (3.13, windows-latest, pre-push)	5m 5s
build (3.13, windows-latest, manual)	1m 26s
build (3.13, windows-latest, pre-commit)	2m 4s
build (3.13, ubuntu-latest, manual)	44s
build (3.13, ubuntu-latest, pre-commit)	55s
build (3.13, ubuntu-latest, pre-push)	3m 13s
completion-lint	2s
	13m 29s

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