Add e2e test for cluster manager namespace bug (#10964) #25

Job	Run time
Build Test / i18n	1m 16s
Build Test / unit-test	2m 45s
Build Test / lint	2m 11s
Build and Upload / Build & Upload Hosted	3m 42s
Build and Upload / Build & Upload Embedded	3m 53s
	13m 47s

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