@Test
public void testSetClientIdsIfSpecified_unspecified() throws Exception {

  testDefaults();
  annotationConfig.setClientIdsIfSpecified(null);
  testDefaults();
  String[] unspecified = {Api.UNSPECIFIED_STRING_FOR_LIST};
  annotationConfig.setClientIdsIfSpecified(unspecified);
  testDefaults();
  String[] clientIds = {"bleh", "more bleh"};
  annotationConfig.setClientIdsIfSpecified(clientIds);
  annotationConfig.setClientIdsIfSpecified(unspecified);
  assertEquals(Arrays.asList(clientIds), config.getClientIds());
}