Logger received error output during the run, and "--fatal-warnings" is enabled is evil #157542
Description
Ostensibly #157388 broke the build (#157541).
The only reported cause is:
11:37 +16476 ~151: Some tests failed.
Logger received error output during the run, and "--fatal-warnings" is enabled.
╔═╡ERROR #1╞════════════════════════════════════════════════════════════════════
║ Command: ../../bin/flutter test --reporter=expanded --file-reporter=json:/Volumes/Work/s/w/ir/x/t/metrics_1729793120661295.json --test-randomize-ordering-seed=20241024 --fatal-warnings --enable-impeller
║ Command exited with exit code 1 but expected zero exit code.
║ Working directory: /Volumes/Work/s/w/ir/x/w/flutter/packages/flutter
╚═══════════════════════════════════════════════════════════════════════════════
▌11:17:12▐ Test failed.(Logs)
I can't seem to find where the error output is, if it's actually my change, or what to do about it.
/cc @jtmcdole