Search only for png files while pulling screenshot restricted_trace_perf.py should only look for png files in temp dir and then assert only for 1 screenshot to be present. Bug: b/427963936 Change-Id: I0692aded39f7c3bd5b0c30ee4a7b613db08eac04 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6680727 Auto-Submit: Shashank Sharma <shawshanks@google.com> Reviewed-by: Amirali Abdolrashidi <abdolrashidi@google.com> Reviewed-by: Cody Northrop <cnorthrop@google.com> Commit-Queue: Amirali Abdolrashidi <abdolrashidi@google.com>