public void Should_get_policies_by_clientId() { // Arrange Client client = new Client { Id = "3", Email = "*****@*****.**", Name = "Jane" }; _mockyService.Expect(e => e.GetPolicies()).Return(GetFakePolicies()); // Act.- IEnumerable <Policy> val = _target.GetPoliciesByClientId("3"); // Assert.- Assert.IsTrue(val.Count() == 1); }