@Test
public void equals_equalIfSameInstance() {

  GoogleAdsClient client =
      GoogleAdsClient.newBuilder()
          .setCredentials(fakeCredentials)
          .setDeveloperToken(DEVELOPER_TOKEN)
          .setEnableGeneratedCatalog(enabledGeneratedCatalog)
          .build();
  assertEquals("same instance should be equal", client, client);
}