These tests can now be enabled as we implemented more scalar lowering
support.

Bug: v8:10507
Change-Id: Ida5f896300e074db079ec24720302729b0582d9d
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2411774Reviewed-by: Bill Budge <bbudge@chromium.org>
Commit-Queue: Zhi An Ng <zhin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#70006}