public async Task GetAllPhraseologyTypeSubjects_ReturningPhraseologyTypeSubjectList() { _mockPhraseologyTypeSubjectRepository.Setup(x => x.GetAll(It.IsAny <Expression <Func <PhraseologyTypeSubject, object> > >())).ReturnsAsync(new List <PhraseologyTypeSubject>()); var phraseologyTypeSubjectService = new PhraseologyTypeSubjectService(_mockPhraseologyTypeSubjectRepository.Object, _mockPhraseologySubjectRepository.Object, _mockUnitOfWork.Object, _mapper); var result = await phraseologyTypeSubjectService.GetAllPhraseologyTypeSubjects(); Assert.IsType <List <PhraseologyTypeSubject> >(result); }