@Test
public void testGetInterfaces() throws Exception {

  Cluster.Interface interface1 = new Cluster.Interface("type", "endpoint", "version");
  Cluster cluster = new Cluster("Cluster1", "Colo", Collections.singleton(interface1),
      Collections.singleton(new Cluster.Location("name", "path")), Collections.singletonMap("P1", "V1"));
  Assert.assertEquals(Collections.singleton(interface1), cluster.getInterfaces());
}