### Question:
RxSettingsApiImpl implements RxSettingsApi { @Override public Single<LocationSettingsResult> checkLocationSettings(RxLostApiClient apiClient, LocationSettingsRequest request) { throw new RuntimeException("Sorry, not yet implemented"); }  @Override Single<LocationSettingsResult> checkLocationSettings(RxLostApiClient apiClient,
      LocationSettingsRequest request);  }### Answer:
@Test(expected = RuntimeException.class) public void checkLocationSettings() throws Exception { api.checkLocationSettings(mock(RxLostApiClient.class), mock(LocationSettingsRequest.class)); }