This ensures that we don't fail when comparing against expected output
that contains paths in them.
Bug: tint:872
Change-Id: I93d4b940eae2c22175ef3add94bb28f907156ca0
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/53600
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Antonio Maiorano <amaiorano@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>