Add conformance for rootDirectory pcl function #1561

Job	Run time
conformance-tests (ubuntu-latest, 8.0.x)	6m 30s
format	1m 6s
gather	3s
conformance-tests (macos-13, 8.0.x)	11m 29s
Lint Go	57s
setup_matrix	1s
integration-tests (ubuntu-latest, 8.0.x)	15m 37s
integration-tests (ubuntu-latest, 9.0.x)	15m 10s
integration-tests (windows-latest, 8.0.x)	19m 14s
integration-tests (windows-latest, 9.0.x)	21m 10s
integration-tests (macos-13, 8.0.x)	31m 23s
integration-tests (macos-13, 9.0.x)	27m 10s
build (ubuntu-latest, 8.0.x)	6m 34s
build (ubuntu-latest, 9.0.x)	6m 55s
check-pr	1s
release-dev-sdk	0s
	2h 43m 20s

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