Testing Navigation Drawer in Espresso

navigation_drawer_espresso.java

// This works!

onView(withId(R.id.drawer)).perform(swipeUp())

// This doesn't.
onView(withId(R.id.drawer))
  .perform( actionOnItemAtPosition(5, click()));

onView(allOf(
      withText(R.string.settings),
      hasSibling(withText(R.string.about)),
      isDisplayed()))
  .perform(scrollTo(), click());


onData(instanceOf(NavigationMenuItemView.class))
  .inAdapterView(anything(View.class))
  .atPosition(6)
  .check(matches(isDisplayed()));


onData(is(instanceOf(NavigationMenuItemView.class)))
  .inAdapterView(withId(R.id.navigation_view))
  .atPosition(5)
  .check(matches(isDisplayed()))
  .perform(ViewActions.click());