This can be used to make the Json comaprison less noisy.

Bug: angleproject:5856
Change-Id: I57df41eed3926647aaf8bcf97a7aea050e1c3d51
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2822255
Commit-Queue: Gert Wollny <gert.wollny@collabora.com>
Reviewed-by: Jamie Madill <jmadill@chromium.org>