public void WhenPrivateValidResults_CanRenderToExpectedFormat() { //Arrange var testViewData = FakeModels.CatsViewForRender; var stubILogger = StubHelper.StubILogger <RenderService>(); var testedService = new RenderService(stubILogger.Object); //Act var actual = testedService.RenderRegistrations(testViewData); //Assert Assert.Contains("Female", actual); }