The resources string gets changed dynamically during capture. This
breaks the regression tests because they were comparing for identity.

Bug: angleproject:5530
Change-Id: I0734f735577a5ff4c9083adb8f25a37aad3c0e37
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2634830
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Cody Northrop <cnorthrop@google.com>
Reviewed-by: Tim Van Patten <timvp@google.com>