[test] Add more tests for Array constructor in optimized code.

Bug: v8:6399
Tbr: jarin@chromium.org
Change-Id: I98b4f2e3d9990fc38c7b5b2fac181e32ed4faa13
Reviewed-on: https://chromium-review.googlesource.com/704635Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Commit-Queue: Benedikt Meurer <bmeurer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#48331}