public async Task GetProfessorDetailsDtoById_ShouldReturnInstanceOfProfessorDetailsDto() { // Arrange _mockReadRepository.Setup(repo => repo.GetByIdAsync <Professor>(_professor1.Id)).ReturnsAsync(_professor1); _mockProfessorMapper.Setup(mapper => mapper.Map(_professor1)).Returns(_professorDetailsDto1); // Act ProfessorDetailsDto actualProfessor = await _professorService.GetProfessorDetialsDtoById(_professor1.Id); // Assert actualProfessor.Should().BeEquivalentTo(_professorDetailsDto1); }