test(sdk/go): add WithAnnotations and combined options tests

Add real-client gRPC tests for WithAnnotations alone and
WithLabels+WithAnnotations combined to close the test gap where
annotations were only exercised via the fake client.

Signed-off-by: Roland Huß <rhuss@redhat.com>

Author: rhuss

sdk/go/openshell/v1/sandbox_client_test.go

@@ -267,6 +267,43 @@ func TestSandboxCreate(t *testing.T) {
 	assert.Equal(t, SandboxProvisioning, result.Status.Phase)
 }
 
+func TestSandboxCreate_WithAnnotations(t *testing.T) {
+	mock := newMockSandboxServer()
+	client, cleanup := setupSandboxTest(t, mock)
+	defer cleanup()
+
+	annotations := map[string]string{"purpose": "ci-test"}
+	result, err := client.Create(context.Background(), "default", "ann-sandbox", &SandboxSpec{}, WithAnnotations(annotations))
+
+	require.NoError(t, err)
+	require.NotNil(t, result)
+
+	mock.mu.Lock()
+	defer mock.mu.Unlock()
+	require.NotNil(t, mock.createRequest)
+	assert.Equal(t, map[string]string{"purpose": "ci-test"}, mock.createRequest.Annotations)
+}
+
+func TestSandboxCreate_WithLabelsAndAnnotations(t *testing.T) {
+	mock := newMockSandboxServer()
+	client, cleanup := setupSandboxTest(t, mock)
+	defer cleanup()
+
+	labels := map[string]string{"env": "staging"}
+	annotations := map[string]string{"owner": "team-a"}
+	result, err := client.Create(context.Background(), "default", "both-sandbox", &SandboxSpec{},
+		WithLabels(labels), WithAnnotations(annotations))
+
+	require.NoError(t, err)
+	require.NotNil(t, result)
+
+	mock.mu.Lock()
+	defer mock.mu.Unlock()
+	require.NotNil(t, mock.createRequest)
+	assert.Equal(t, map[string]string{"env": "staging"}, mock.createRequest.Labels)
+	assert.Equal(t, map[string]string{"owner": "team-a"}, mock.createRequest.Annotations)
+}
+
 func TestSandboxCreate_DefaultGPURequest(t *testing.T) {
 	mock := newMockSandboxServer()
 	client, cleanup := setupSandboxTest(t, mock)