totalScaledDown := cleanupCount + scaledDownCount
	return totalScaledDown > 0, nil
}

// cleanupUnhealthyReplicas will scale down old replica sets with unhealthy replicas, so that all unhealthy replicas will be deleted.
func (dc *DeploymentController) cleanupUnhealthyReplicas(ctx context.Context, oldRSs []*apps.ReplicaSet, deployment *apps.Deployment, maxCleanupCount int32) ([]*apps.ReplicaSet, int32, error) {

		controller := &DeploymentController{
			client:        &fakeClientset,
			eventRecorder: &record.FakeRecorder{},
		}
		_, ctx := ktesting.NewTestContext(t)
		_, cleanupCount, err := controller.cleanupUnhealthyReplicas(ctx, oldRSs, deployment, int32(test.maxCleanupCount))
		if err != nil {
			t.Errorf("unexpected error: %v", err)
			continue
		}
		if int(cleanupCount) != test.cleanupCountExpected {