@Test
public void testListSimple() throws ListProviderException {

  Map<String, String> list = contributorsListProvider.getList(ContributorsListProvider.DEFAULT, null);
  Assert.assertTrue(list.containsKey(user1.getName()));
  Assert.assertTrue(list.containsKey(user2.getName()));
  Assert.assertTrue(list.containsValue(user1.getName()));
  Assert.assertTrue(list.containsValue(user2.getName()));
  Assert.assertTrue(list.containsKey("User 5"));
  Assert.assertTrue(list.containsValue("User 5"));
  Assert.assertEquals(3, list.size());
}