public async Task CanAddPatient() { //Arrange var createPatientVm = new CreatePatientVm { Name = "PatientX", Age = 13 }; var dbContext = GetDbContext(nameof(CanAddPatient)); var sut = new ClinicService(dbContext); //Action await sut.AddPatientAsync(createPatientVm); //Assert var eavEntity = await dbContext.Entities .AsNoTracking() .WithAttributes() .SingleAsync(); eavEntity.Should().NotBeNull(); eavEntity.EntityType.Should().Be(EntityType.Patient); eavEntity.AttributeValues.Should() .NotBeNullOrEmpty() .And.HaveCount(2); var name = eavEntity.AttributeValues.Single(x => x.AttributeType == AttributeType.PatientName).Value; name.Should().Be(createPatientVm.Name); var age = eavEntity.AttributeValues.Single(x => x.AttributeType == AttributeType.PatientAge).Value; age.Should().Be(createPatientVm.Age.ToString()); }