### Question:
DynamicLinksClient extends GmsClient<IDynamicLinksService> { @NonNull @Override protected String getStartServiceAction() { return ACTION_START_SERVICE; } 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 testGetStartServiceAction() { assertEquals(DynamicLinksClient.ACTION_START_SERVICE, client.getStartServiceAction()); }