Test cpp-simple image (#3497)

* Test cpp-simple image

* remove ImagePullPolicy

test/e2e/examples_test.go

@@ -98,3 +98,37 @@ func TestRustGameServerReady(t *testing.T) {
 	// Assert that the GameServer is in the expected state
 	assert.Equal(t, agonesv1.GameServerStateReady, readyGs.Status.State)
 }
+
+func TestCppSimpleGameServerReady(t *testing.T) {
+	t.Parallel()
+	gs := &agonesv1.GameServer{
+		ObjectMeta: metav1.ObjectMeta{
+			GenerateName: "cpp-simple-",
+		},
+		Spec: agonesv1.GameServerSpec{
+			Ports: []agonesv1.GameServerPort{{
+				Name:          "default",
+				PortPolicy:    agonesv1.Dynamic,
+				ContainerPort: 7654,
+				Protocol:      corev1.ProtocolUDP,
+			}},
+			Template: corev1.PodTemplateSpec{
+				Spec: corev1.PodSpec{
+					Containers: []corev1.Container{
+						{
+							Name:  "cpp-simple",
+							Image: "us-docker.pkg.dev/agones-images/examples/cpp-simple-server:0.15",
+						},
+					},
+				},
+			},
+		},
+	}
+
+	// Use the e2e framework's function to create the GameServer and wait until it's ready
+	readyGs, err := framework.CreateGameServerAndWaitUntilReady(t, framework.Namespace, gs)
+	require.NoError(t, err)
+
+	// Assert that the GameServer is in the expected state
+	assert.Equal(t, agonesv1.GameServerStateReady, readyGs.Status.State)
+}