### Question:
DynamicLinksClient extends GmsClient<IDynamicLinksService> { @NonNull @Override protected String getServiceDescriptor() { return SERVICE_DESCRIPTOR; } DynamicLinksClient(
      Context context,
      Looper looper,
      ClientSettings clientSettings,
      GoogleApiClient.ConnectionCallbacks connectedListener,
      GoogleApiClient.OnConnectionFailedListener connectionFailedListener); @Override int getMinApkVersion(); static final String ACTION_START_SERVICE; static final String SERVICE_DESCRIPTOR; }### Answer:
@Test public void testGetServiceDescriptor() { assertEquals(DynamicLinksClient.SERVICE_DESCRIPTOR, client.getServiceDescriptor()); }