Added additional unit tests for cross cluster monitors. #1185

Job	Run time
Build and Test (11)	2m 36s
Build and Test (11)	4m 14s
Build and Test (17)	2m 31s
Build and Test (17)	3m 22s
Build and Test (21)	2m 36s
Build and Test (21)	2m 49s
Get-CI-Image-Tag / Get-CI-Image-Tag	4s
Get-CI-Image-Tag / Get-CI-Image-Tag	4s
Build and Test (11)	3m 12s
Build and Test (11)	3m 7s
Build and Test (17)	3m 5s
Build and Test (17)	3m 13s
Build and Test (21)	3m 10s
Build and Test (21)	3m 13s
	37m 16s

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