bugfix: improve CollectionShouldHaveCountGreaterThan_CountShouldBeGre… #678

Job	Run time
build (ubuntu-latest, Debug)	2m 30s
build (ubuntu-latest, Release)	2m 37s
build (windows-latest, Debug)	4m 59s
build (windows-latest, Release)	4m 23s
build (macos-latest, Debug)	3m 17s
build (macos-latest, Release)	3m 15s
	21m 1s

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