final DeviceLayoutContextMock deviceLayoutContextMock =
new DeviceLayoutContextMock("deviceLayoutContextMock", expectations);
final MarinerPageContextMock marinerPageContextMock =
new MarinerPageContextMock("marinerPageContextMock", expectations);
final EnvironmentContextMock environmentContextMock =
new EnvironmentContextMock("environmentContextMock", expectations);
cachingDirectives =
new ResponseCachingDirectives(SystemClock.getDefaultInstance());
cachingDirectives.enable();
assertTrue(cachingDirectives.isEnabled());