The test and its recent runs: https://ci.chromium.org/ui/p/flutter/builders/prod/Mac_ios%20microbenchmarks_ios

Last 3 failed builds:

• https://ci.chromium.org/ui/p/flutter/builders/prod/Mac_ios%20microbenchmarks_ios/14122/infra
• https://ci.chromium.org/ui/p/flutter/builders/prod/Mac_ios%20microbenchmarks_ios/14124/infra
• https://ci.chromium.org/ui/p/flutter/builders/prod/Mac_ios%20microbenchmarks_ios/14123/infra

There is no obvious culprit:

• it happens across multiple physical bots
• the first commit (I can see) where it failed seems unrelated: Started handling duplicate validation layer messages #156375