@Test
 public void define_suggestions_action() throws Exception {
   WebService.Action action = controller.action("suggestions");
   assertThat(action).isNotNull();
   assertThat(action.isInternal()).isTrue();
   assertThat(action.isPost()).isFalse();
   assertThat(action.handler()).isInstanceOf(RailsHandler.class);
   assertThat(action.responseExampleAsString()).isNotEmpty();
   assertThat(action.params()).hasSize(2);
 }