Cronch

@Test
public void ensureTextChangesWork() {
	// Type text and then press the button.
    onView(withId(R.id.inputField))
        .perform(typeText("HELLO"), closeSoftKeyboard());
    onView(withId(R.id.changeText)).perform(click());
 
    // Check that the text was changed.
    onView(withId(R.id.inputField)).check(matches(withText("Lalala")));
}