Test "auth" mutation

[Sddilora]

Test the "auth" mutation with all possible cases and create an issue if any bugs are found. If you encounter unexpected behavior or are unsure if it is intended, please create an issue for that as well.

You can find an example issue and bug report (or a question if this is a bug) in this link.

"Test GraphQL Query and Mutation" guide is available for further assistance.

[Sddilora]

mutation:

mutation auth {
  auth
  {
    Auth
  }
}

result:

{
  "errors": [
    {
      "message": "internal system error",
      "path": [
        "auth"
      ]
    }
  ],
  "data": null
}

terminal output of graphql service:

not implemented: Auth - auth

cretaed issue for that : #44