public async Task Then_Gets_The_Courses_For_A_Provider_From_The_Repository( int ukprn, List <int> standardIds, [Frozen] Mock <IProviderStandardRepository> repository, ProviderService service) { //Arrange repository.Setup(x => x.GetCoursesByUkprn(ukprn)).ReturnsAsync(standardIds); //Act var actual = await service.GetStandardIdsByUkprn(ukprn); //Assert repository.Verify(x => x.GetCoursesByUkprn(ukprn), Times.Once); actual.Should().BeEquivalentTo(standardIds); }