String jsonActivityEntry = "{title: 'hi mom!', object: {id: 'testObject'}}";
String path = "/activitystreams/john.doe/@self/@app/testObject";
RestHandler operation = registry.getRestHandler(path, "PUT");
ActivityEntry entry = new ActivityEntryImpl();
org.easymock.EasyMock.expect(converter.convertToObject(eq(jsonActivityEntry), eq(ActivityEntry.class)))
.andReturn(entry);
org.easymock.EasyMock.expect(service.updateActivityEntry(eq(JOHN_DOE.iterator().next()),
eq(new GroupId(GroupId.Type.self, null)), eq("appId"), eq(ImmutableSet.<String>of()),