Set<? extends Location> locations = apiWhenServersExist.listAssignableLocations();
assertNotNull(locations);
assertEquals(locations.size(), 1);
assertEquals(locations.iterator().next().getId(), "az-1.region-a.geo-1");
assertNotNull(apiWhenServersExist.listNodes());
assertEquals(apiWhenServersExist.listNodes().size(), 1);
assertEquals(apiWhenServersExist.listNodes().iterator().next().getId(),
"az-1.region-a.geo-1/52415800-8b69-11e0-9b19-734f000004d2");
assertEquals(apiWhenServersExist.listNodes().iterator().next().getName(), "sample-server");
}