[test] Mark/skip slow tests

No-Try: true
Bug: v8:11893
Change-Id: Iee4164cc25f736f4d9aa0b24319e947215439938
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2964607


Auto-Submit: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Maya Lekova <mslekova@chromium.org>
Reviewed-by: Maya Lekova <mslekova@chromium.org>
Cr-Commit-Position: refs/heads/master@{#75182}