Test

Add command to the CLI to validate the collection metadata file #3357

Job	Run time
validate_declarations (ubuntu-22.04)	39s
test (ubuntu-20.04)	2m 4s
validate_declarations (windows-latest)	2m 29s
test (windows-latest)	4m 38s
validate_declarations (macos-latest)	44s
test (macos-latest)	2m 30s
	13m 4s

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