Merge pull request #5518 from mohamedawnallah/unitTestMultiClusterIng… #772

Job	Run time
image-scanning (karmada-controller-manager)	2m 3s
image-scanning (karmada-scheduler)	1m 39s
image-scanning (karmada-descheduler)	1m 31s
image-scanning (karmada-webhook)	1m 31s
image-scanning (karmada-agent)	1m 46s
image-scanning (karmada-scheduler-estimator)	1m 32s
image-scanning (karmada-interpreter-webhook-example)	1m 26s
image-scanning (karmada-aggregated-apiserver)	1m 47s
image-scanning (karmada-search)	1m 51s
image-scanning (karmada-operator)	1m 17s
image-scanning (karmada-metrics-adapter)	1m 52s
	18m 15s

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