fix: assert keptn-cert-manager integration test more precisely #15489

Job	Run time
Prepare CI Run	5s
Store tag of the built images	4s
Unit Tests (lifecycle-operator, lifecycle-operator/)	47s
Build Docker Image (lifecycle-operator, lifecycle-operator/)	2m 16s
Unit Tests (metrics-operator, metrics-operator/)	58s
Build Docker Image (metrics-operator, metrics-operator/)	3m 25s
Unit Tests (scheduler, scheduler/)	27s
Build Docker Image (scheduler, scheduler/)	3m 25s
Unit Tests (certificate-operator, keptn-cert-manager/)	31s
Build Docker Image (deno-runtime, runtimes/deno-runtime/)	27s
Build Docker Image (python-runtime, runtimes/python-runtime/)	1m 6s
Build Docker Image (certificate-operator, keptn-cert-manager/)	2m 7s
Component Tests / Component Tests	2m 23s
Publish helm chart changes to charts repo	0s
End to End Tests / Run E2E Tests (lifecycle-operator, lifecycle-operator/)	2m 4s
End to End Tests / Run E2E Tests (scheduler, scheduler/)	2m 51s
Load Tests / Run load Tests	6m 45s
Integration Tests (gates_off, allowed_ns_off) / Run Chainsaw Tests	18m 59s
Integration Tests (gates_off, allowed_ns_on) / Run Chainsaw Tests	3m 3s
Integration Tests (gates_on, allowed_ns_on) / Run Chainsaw Tests	3m 11s
Integration Tests (gates_on, allowed_ns_off) / Run Chainsaw Tests	22m 32s
	1h 17m 26s

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