public async Task Registration_ServiceInvoke()
{
//Assert
var registrationModel = new RegistrationModel
{
Name = "UserName",
Surname = "UserSurname",
Password = "******"
};
//Act
await _authController.CreateUser(registrationModel);
//Assert
_userServiceMock.Verify(s => s.CreateUser(It.IsAny <UserDto>()));
}