@Test
public void testSetAudiencesIfSpecified_empty() throws Exception {

  String[] empty = {};
  annotationConfig.setAudiencesIfSpecified(empty);
  assertEquals(Collections.emptyList(), config.getAudiences());
  String[] audiences = {"bleh", "more bleh"};
  annotationConfig.setAudiencesIfSpecified(audiences);
  annotationConfig.setAudiencesIfSpecified(empty);
  assertEquals(Collections.emptyList(), config.getAudiences());
}