Several tests were using them and we can dedup code.

Change-Id: I4ef5ae5772856d1f36e965b6b62ff5895b4e04fb
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2215173Reviewed-by: Maya Lekova <mslekova@chromium.org>
Commit-Queue: Santiago Aboy Solanes <solanes@chromium.org>
Cr-Commit-Position: refs/heads/master@{#67974}