Espresso: Why don't spinners close after selection?

Question

I have a question about selecting items in Spinners with Espresso. Or to be more exact: The selection works, but after that the view assertions fail because the spinner is s

Answer 1

You have to click on the spinner first, use this code:

@Test
public void selectDogs() throws Exception {
    onView(withId(R.id.spinner)).perform(click());
    onData(allOf(is(instanceOf(String.class)), is("dogs")))
            .perform(click());
    onView(withId(R.id.selected)).check(matches(withText("dogs")));
}