@Test(expected = AuthFailureError.class)
public void missingAuthToken() throws Exception {

    Bundle bundle = new Bundle();
    when(mAccountManager.getAuthToken(mAccount, "cooltype", false, null, null))
            .thenReturn(mFuture);
    when(mFuture.getResult()).thenReturn(bundle);
    when(mFuture.isDone()).thenReturn(true);
    when(mFuture.isCancelled()).thenReturn(false);
    mAuthenticator.getAuthToken();
}