anchor.diff:    ): LoginPayload
   
     """
  -  An example field added by the generator
  -  """
  -  testField: String!
  -
  -  """
     Update user profile
     """
  -  updateUser(
  +  userUpdate(
       """
       Parameters for Update
       """
  
positive.code:   """
    Sign up a new user
    """
    createUser(
      """
      Parameters for Create
      """
  
negative.code:   """
    Login a user
    """
    userLogin(
      """
      Parameters for Login
      """
  