public void AccountService_Register_CanNotRegister_Failure()
{
// Arrange
IMember existedMember = Substitute.For <IMember>();
ErrorCodeType expectedError = ErrorCodeType.MemberAlreadyExists;
UserToRegister user = GetUserToRegister();
_memberService.GetByEmail(user.Email).Returns(existedMember);
// Act
Result registrationResult = _accountService.Register(user);
// Assert
Assert.IsNotNull(registrationResult, Common.ShowResponseTypeMismatchMessage(typeof(Result)));
Assert.IsTrue(registrationResult.IsFailure, Common.ShowNotSatisfiedExpectationMessage(true, "registrationResult.IsFailure"));
Assert.AreEqual(expectedError, registrationResult.ErrorCode, Common.ShowNotSatisfiedExpectationMessage(expectedError, registrationResult.ErrorCode));
_userRegistration.ReceivedWithAnyArgs(0).Register(null);
}