@Test
public void shouldServiceQuitWhenClusterDoesNotExist() {

  // GIVEN
  EasyMock.expect(configurationMock.isUserHookEnabled()).andReturn(Boolean.TRUE);
  EasyMock.expect(clustersMap.isEmpty()).andReturn(Boolean.TRUE);
  EasyMock.expect(clustersMock.getClusters()).andReturn(clustersMap);
  replayAll();
  // WHEN
  Boolean triggered = hookService.execute(hookContext);
  //THEN
  Assert.assertFalse("The hook must not be triggered if there's no cluster!", triggered);
}