public async Task Login_Fail() { var service = new YouMailService("0000", "0000", null, YouMailTestService.UserAgent); try { await service.LoginAsync(); Assert.Fail("The login should not have succeeded"); } catch (YouMailException ye) { Assert.IsTrue(ye.StatusCode == HttpStatusCode.Forbidden, "Wrong StatusCode back"); Assert.IsFalse(service.IsLoggedIn); } }