public void News_GetCompanyCounts_ShouldAssertsTrue_WhenListIsNotNull() { var mock = new Mock <INewsServices>(); mock.Setup(p => p.GetCompanyCounts()).Returns(new List <Business.Dto.CompanyCountModel> { new Business.Dto.CompanyCountModel { Name = "test", Count = 100 } }); var mockManager = new NewsRepository(mock.Object); var result = mockManager.GetCompanyCounts(); Assert.NotNull(result); }