public async Task When_GettingStandardOptionsForLatestVersion_Then_ReturnsListOfStandardOptions(IEnumerable <StandardOptions> standardOptions) { _mockStandardRepository.Setup(s => s.GetStandardOptionsForLatestStandardVersions()).ReturnsAsync(standardOptions); var result = await _standardService.GetStandardOptionsForLatestStandardVersions(); Assert.IsInstanceOf <IEnumerable <StandardOptions> >(result); Assert.AreEqual(result.Count(), standardOptions.Count()); }