test: improve code in test-domain-multi

* use common.mustCall to validate functions executions
* use common.fail to control error
* remove unnecessary variables
* remove unnecessary assertions
* remove console.log and console.error
* use arrow functions

PR-URL: https://github.com/nodejs/node/pull/10798


Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>