test: improve console table error output

The former error output was not readable in case of an error. This
improves it by splitting the lines and therefore creating a nice and
readable diff.

PR-URL: https://github.com/nodejs/node/pull/20960


Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>