@Test
public void testHostOs() throws Exception {
Clusters clusters = mock(Clusters.class);
ActionQueue queue = mock(ActionQueue.class);
ActionManager manager = mock(ActionManager.class);
Injector injector = mock(Injector.class);
doNothing().when(injector).injectMembers(any());
HeartBeatHandler handler = new HeartBeatHandler(clusters, queue, manager, injector);
String os = handler.getOsType("RedHat", "6.1");
Assert.assertEquals("redhat6", os);