@Test
public void testSetResourceIfNotEmpty_empty() {

  annotationConfig.setResourceIfNotEmpty("");
  Mockito.verifyZeroInteractions(config);
  annotationConfig.setResourceIfNotEmpty("bleh");
  annotationConfig.setResourceIfNotEmpty("");
  Mockito.verify(config).setResource("bleh");
  Mockito.verifyNoMoreInteractions(config);
}