@Test
 public void aboutMenuClick_ShowAboutBookDashScreen() {
   // When
   NavigationUtils.selectNavDrawItem(mActivityTestRule.getActivity(), R.id.action_about);
   // Then
   onView(withText(R.string.title_activity_about)).check(matches(isDisplayed()));
 }
  @Test
  public void contributorsOkClick_HideThanksPopover() {
    // When
    NavigationUtils.selectNavDrawItem(mActivityTestRule.getActivity(), R.id.action_thanks);

    // Then
    onView(withText(android.R.string.ok)).perform(click());
  }
  @Test
  public void contributorsClicked_ShowThanksPopover() {

    // When
    NavigationUtils.selectNavDrawItem(mActivityTestRule.getActivity(), R.id.action_thanks);
    // Then
    onView(withText("Contributors")).inRoot(isDialog()).check(matches(isDisplayed()));
  }