if err != nil {
		return err
	}
	if scaledUp {
		// Update DeploymentStatus
		return dc.syncRolloutStatus(ctx, allRSs, newRS, d)
	}

	// Scale down, if we can.
	scaledDown, err := dc.reconcileOldReplicaSets(ctx, allRSs, controller.FilterActiveReplicaSets(oldRSs), newRS, d)
	if err != nil {
		return err
	}
	if scaledDown {
		// Update DeploymentStatus
		return dc.syncRolloutStatus(ctx, allRSs, newRS, d)
	}

		controller := &DeploymentController{
			client:        &fakeClientset,
			eventRecorder: &record.FakeRecorder{},
		}
		_, ctx := ktesting.NewTestContext(t)
		scaled, err := controller.reconcileOldReplicaSets(ctx, allRSs, oldRSs, newRS, deployment)
		if err != nil {
			t.Errorf("unexpected error: %v", err)
			continue
		}
		if !test.scaleExpected && scaled {