Additionally, only one result is output from the tests.  If running
every scene, only the final result is output.

Bug: angleproject:3125
Change-Id: I9592a6e07757663bfdd6653f541fece95c4b295b
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1524695Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>