scheduler: fix ReplaceQuotas ut (#2318) #8655

Job	Run time
golangci-lint	4m 15s
unit-tests(Check Go modules)	37s
unit-tests(Check manifests)	46s
unit-tests(Check auto-generated codes)	2m 39s
unit-tests(Verify gofmt)	30s
unit-tests(Verify govet)	1m 0s
unit-tests(Run Go build)	1m 19s
unit-tests(Run Go test)	5m 10s
build-and-push (koordlet)	31m 55s
build-and-push (koord-manager)	18m 21s
build-and-push (koord-scheduler)	25m 53s
build-and-push (koord-descheduler)	24m 1s
	1h 56m 26s

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