@Test
public void removedServicesInitialValue () throws Exception {

  StackModule sm = createStackModule("FooBar",
      "2.4",
      Optional.<List<RepositoryInfo>>absent(),
      Lists.newArrayList(repoInfo("bar", "2.0.1", "http://bar.org", "centos6")),
      Lists.newArrayList(repoInfo("bar", "2.0.1", "http://bar.org", "centos7")));
  List<String> removedServices = sm.getModuleInfo().getRemovedServices();
  assertEquals(removedServices.size(), 0);
}