@Test
public void whenQuestionHasAudio_audioButtonUsesIndexAsClipID() throws Exception {

    String reference = createMockReference(referenceManager, "file://blah.mp3");
    FormEntryPrompt prompt = new MockFormEntryPromptBuilder()
            .withIndex("i am index")
            .withAudioURI("file://blah.mp3")
            .build();
    TestScreenContextActivity activity = RobolectricHelpers.createThemedActivity(TestScreenContextActivity.class);
    TestWidget widget = new TestWidget(activity, new QuestionDetails(prompt, "formAnalyticsID"));
    AudioButton audioButton = widget.getAudioVideoImageTextLabel().findViewById(R.id.audioButton);
    verify(audioHelper).setAudio(audioButton, new Clip("i am index", reference));
}