Replace Sleep in new multiport service experiment

Signed-off-by: Daniel Del Rio <daniel.delrio@getyourguide.com>

test/e2e/experiment_test.go

@@ -108,13 +108,17 @@ func (s *ExperimentSuite) TestExperimentWithMultiportServiceAndScaleDownDelay()
 	g.ApplyManifests("@functional/experiment-with-multiport-service.yaml")
 	g.When().
 		WaitForExperimentPhase("experiment-with-multiport-service", "Running").
-		Sleep(time.Second*5).
+		WaitForExperimentCondition("experiment-with-multiport-service", func(ex *rov1.Experiment) bool {
+			return s.GetReplicaSetFromExperiment(ex, "test").Status.Replicas == 1
+		}, "number-of-rs-pods-meet", fixtures.E2EWaitTimeout).
 		Then().
 		ExpectExperimentTemplateReplicaSetNumReplicas("experiment-with-multiport-service", "test", 1).
 		ExpectExperimentServiceCount("experiment-with-multiport-service", 1).
 		When().
 		WaitForExperimentPhase("experiment-with-multiport-service", "Successful").
-		Sleep(time.Second*15).
+		WaitForExperimentCondition("experiment-with-multiport-service", func(ex *rov1.Experiment) bool {
+			return s.GetReplicaSetFromExperiment(ex, "test").Status.Replicas == 0
+		}, "number-of-rs-pods-meet", fixtures.E2EWaitTimeout).
 		Then().
 		ExpectExperimentTemplateReplicaSetNumReplicas("experiment-with-multiport-service", "test", 0).
 		ExpectExperimentServiceCount("experiment-with-multiport-service", 0)