Test sign-in details before saving

GORUNNER="https://api.gorunner.io"
GORUNNER_TOKEN="grt_…"  # needs Write for connections

curl -X POST "$GORUNNER/api/connections/test" \
  -H "Authorization: Bearer $GORUNNER_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "pieceId": "email",
    "config": {
      "host": "smtp.office365.com",
      "port": "587",
      "email": "warehouse@bakery.example",
      "password": "…"
    }
  }'

const GORUNNER = "https://api.gorunner.io";
const TOKEN = process.env.GORUNNER_TOKEN;

const res = await fetch(
  `${GORUNNER}/api/connections/test`,
  {
    method: "POST",
    headers: {
        Authorization: `Bearer ${TOKEN}`,
        "Content-Type": "application/json",
      },
    body: JSON.stringify({
        pieceId: "email",
        config: {
          host: "smtp.office365.com",
          port: "587",
          email: "warehouse@bakery.example",
          password: "…",
        },
      }),
  },
);
const { data } = await res.json();

import os, requests

GORUNNER = "https://api.gorunner.io"
TOKEN = os.environ["GORUNNER_TOKEN"]

res = requests.post(
    f"{GORUNNER}/api/connections/test",
    headers={"Authorization": f"Bearer {TOKEN}"},
    json={
      "pieceId": "email",
      "config": {
        "host": "smtp.office365.com",
        "port": "587",
        "email": "warehouse@bakery.example",
        "password": "…",
      },
    },
)
data = res.json()["data"]

{
  "data": {
    "success": false,
    "error": "smtp auth: 535 5.7.3 Authentication unsuccessful",
    "cause": "refused"
  }
}