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

  ListAccessibleCustomersResponse expectedResponse =
      ListAccessibleCustomersResponse.newBuilder().build();
  mockCustomerService.addResponse(expectedResponse);
  ListAccessibleCustomersRequest request = ListAccessibleCustomersRequest.newBuilder().build();
  ListAccessibleCustomersResponse actualResponse = client.listAccessibleCustomers(request);
  Assert.assertEquals(expectedResponse, actualResponse);
  List<AbstractMessage> actualRequests = mockCustomerService.getRequests();
  Assert.assertEquals(1, actualRequests.size());
  ListAccessibleCustomersRequest actualRequest =
      (ListAccessibleCustomersRequest) actualRequests.get(0);
  Assert.assertTrue(
      channelProvider.isHeaderSent(
          ApiClientHeaderProvider.getDefaultApiClientHeaderKey(),
          GaxGrpcProperties.getDefaultApiClientHeaderPattern()));
}