HomeActivityUnitTest_With_HomeActivityOutputSpy.java

private class HomeActivityOutputSpy implements HomeInteractorInput {

        boolean fetchHomeMetaDataIsCalled = false;
        HomeRequest homeRequestCopy;
        @Override
        public void fetchHomeMetaData(HomeRequest request) {
            fetchHomeMetaDataIsCalled = true;
            homeRequestCopy = request;
        }
    }