Context context = mock(Context.class);
when(context.getApplications()).thenReturn(
new ConcurrentHashMap<ApplicationId, Application>());
ContainerExecutor executor = mock(ContainerExecutor.class);
launcher =
new ContainersLauncher(context, dispatcher, executor, null, null);
// create a mock ExecutorService, which will not really launch
// ContainerLaunch at all.
launcher.containerLauncher = mock(ExecutorService.class);
Future future = mock(Future.class);
when(launcher.containerLauncher.submit