@Test
@SuppressWarnings("all")
public void mutateAdGroupAdLabelsTest() {

  MutateAdGroupAdLabelsResponse expectedResponse =
      MutateAdGroupAdLabelsResponse.newBuilder().build();
  mockAdGroupAdLabelService.addResponse(expectedResponse);
  String customerId = "customerId-1772061412";
  List<AdGroupAdLabelOperation> operations = new ArrayList<>();
  MutateAdGroupAdLabelsResponse actualResponse =
      client.mutateAdGroupAdLabels(customerId, operations);
  Assert.assertEquals(expectedResponse, actualResponse);
  List<AbstractMessage> actualRequests = mockAdGroupAdLabelService.getRequests();
  Assert.assertEquals(1, actualRequests.size());
  MutateAdGroupAdLabelsRequest actualRequest =
      (MutateAdGroupAdLabelsRequest) actualRequests.get(0);
  Assert.assertEquals(customerId, actualRequest.getCustomerId());
  Assert.assertEquals(operations, actualRequest.getOperationsList());
  Assert.assertTrue(
      channelProvider.isHeaderSent(
          ApiClientHeaderProvider.getDefaultApiClientHeaderKey(),
          GaxGrpcProperties.getDefaultApiClientHeaderPattern()));
}