message: Update README for Stitch integration tests
diff: @@ -36,6 +36,15 @@ Run tests with all output from packages:
  lerna run test --stream
  ```
  +Getting the Stitch integration tests running requires the 2 following env
  +variables to be set:
  +
  +- `MONGOSH_STITCH_TEST_APP_ID`
  +- `MONGOSH_STITCH_TEST_SERVICE_NAME`
  +
  +These can be gotten from the mongosh-test cluster in the Compass Atlas
  +clusters.
  +
  Start the CLI:
  ```shell
  