title: How I know if one fragment is displayed (Test UI)
body: <p>If one of my fragments, rattingfragment, I have to perform click. 
  If not, do other action.</p>
  
  <p>How I know this is the fragment on my screen?</p>
  
  <p>Android UI Tests.
  Below my code to test
  EDIT
  CODE:</p>
  
  <pre><code>   @Rule
      public ActivityTestRule mActivityRule = new ActivityTestRule&lt;&gt;(MainActivity.class);
  
      @After
      public void setUp(){
          Logout();
      }  
    @Test
      public void shouldOfferRide(){
          SystemClock.sleep(1500);
          Login();
          onView(withId(R.id.searchButton)).perform(typeText(emailSearch));
          onView(withId(R.id.searchButton)).perform(pressImeActionButton());
          onView(withId(R.id.community_user_ask_button)).perform(click());
          SystemClock.sleep(1500);
          onView(withId(R.id.button1)).perform(click());
          onView(withId(R.id.send_request)).perform(click());
          SystemClock.sleep(1500);
          ((MainActivity)mActivityRule.getActivity()).navItemClick(4);
          SystemClock.sleep(3500);
          LoginMyrides();
          onView(withId(R.id.my_rides_tab_bar)).perform(click());
          SystemClock.sleep(1000);
  
          {I have to know is ratingfragment before perform click below}
  
          onView(withId(R.id.rating_bar)).perform(click());
          onView(withId(R.id.deny_btn)).perform(click());
      }
  
          public void Login(){
          onView(withId(R.id.edt_new_login_email)).perform(typeText(emailLogin));
          onView(withText(R.string.next_button)).perform(click());
          onView(withId(R.id.edt_new_password)).perform(typeText(senha));
          onView(withText(R.string.login_new_pass)).perform(click());
      }
  
      public void Logout(){
          new SessionManager(mActivityRule.getActivity()).logoutUser();
      }
  }
  </code></pre>