public void ShouldSaveReleaseData() { //given var releaseRepository = new ReleaseRepository(); //todo: put this inside the builder (for instante on the Build method as default) var expectedReleaseDetailsModel = new ReleaseBuilder().WithReleaseNumber("REL01").Build(); //when releaseRepository.SaveReleaseDetails(expectedReleaseDetailsModel); //then Release release = releaseRepository.GetReleaseDetails("REL01"); Assert.That(release, Is.EqualTo(expectedReleaseDetailsModel)); }