Re-lands https://github.com/flutter/flutter/pull/162644.
Reverts 7569fbfce5, with the change to
`ios_app_with_extensions_test.dart` omitted, which is intentional
(`--verbose` is load-bearing and used to check for a particular
message).
Re-lands https://github.com/flutter/flutter/pull/162644.
Reverts 7569fbfce5, with the change to
`ios_app_with_extensions_test.dart` omitted, which is intentional
(`--verbose` is load-bearing and used to check for a particular
message).