nit and added negative tests

nit

pkg/cloudproduct/gke/gke.go

@@ -179,7 +179,6 @@ func setPrimaryContainer(pod *corev1.Pod, containerName string) {
 		return
 	}
 	pod.ObjectMeta.Annotations[primaryContainerAnnotation] = containerName
-
 }
 
 // podSpecSeccompUnconfined sets to seccomp profile to `Unconfined` to avoid serious performance

pkg/cloudproduct/gke/gke_test.go

@@ -257,6 +257,54 @@ func TestSetPassthroughLabel(t *testing.T) {
 				},
 			},
 		},
+		"gameserver with  Static port policy does not add label to pod": {
+			features: fmt.Sprintf("%s=true", runtime.FeatureAutopilotPassthroughPort),
+
+			pod: &corev1.Pod{
+				ObjectMeta: metav1.ObjectMeta{
+					Annotations: map[string]string{},
+					Labels:      map[string]string{},
+				},
+			},
+			ports: []agonesv1.GameServerPort{
+				{
+					Name:          "awesome-udp",
+					PortPolicy:    agonesv1.Static,
+					ContainerPort: 1234,
+					Protocol:      corev1.ProtocolUDP,
+				},
+			},
+			wantPod: &corev1.Pod{
+				ObjectMeta: metav1.ObjectMeta{
+					Annotations: map[string]string{},
+					Labels:      map[string]string{},
+				},
+			},
+		},
+		"gameserver, no feature gate, with Passthrough port policy does not add label to pod": {
+			features: fmt.Sprintf("%s=false", runtime.FeatureAutopilotPassthroughPort),
+
+			pod: &corev1.Pod{
+				ObjectMeta: metav1.ObjectMeta{
+					Annotations: map[string]string{},
+					Labels:      map[string]string{},
+				},
+			},
+			ports: []agonesv1.GameServerPort{
+				{
+					Name:          "awesome-udp",
+					PortPolicy:    agonesv1.Passthrough,
+					ContainerPort: 1234,
+					Protocol:      corev1.ProtocolUDP,
+				},
+			},
+			wantPod: &corev1.Pod{
+				ObjectMeta: metav1.ObjectMeta{
+					Annotations: map[string]string{},
+					Labels:      map[string]string{},
+				},
+			},
+		},
 	} {
 		t.Run(name, func(t *testing.T) {
 			runtime.FeatureTestMutex.Lock()

pkg/gameservers/controller.go

@@ -521,7 +521,6 @@ func (c *Controller) syncGameServerCreatingState(ctx context.Context, gs *agones
 				})
 			}
 		}
-
 		gs, err = c.createGameServerPod(ctx, gs)
 		if err != nil || gs.Status.State == agonesv1.GameServerStateError {
 			return gs, err