public void GetAllFilterByBranchId() { // Arrange var mockService = new Mock <IPatientService>(); var controller = new PatientController(mockService.Object); int branchId = 1; // Act IQueryable <PatientModel> response = controller.GetByBranchId(branchId); // Assert Assert.IsNotNull(response); Assert.AreEqual(response.Where(x => x.Branch.Id == branchId).Count(), response.Count()); }