In this part: forEach, reduce, reduceRight + missing tests for includes

Bug: v8:11111
Change-Id: I3586d56655bd65c054e0933816f5331d5a8d1860
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3758210
Commit-Queue: Marja Hölttä <marja@chromium.org>
Reviewed-by: Shu-yu Guo <syg@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81712}