Dart SDK into Flutter AutoRoller failing on Mac customer_testing shard

[andywolff]

#193547

https://ci.chromium.org/ui/p/flutter/builders/try/Mac%20customer_testing/129619/overview

RUNNING: cd dev/customer_testing; ../../ci.sh 
workingDirectory: /Volumes/Work/s/w/ir/x/w/flutter/dev/customer_testing, executable: ./ci.sh, arguments: []
╔═╡ERROR #1╞════════════════════════════════════════════════════════════════════
║ UNEXPECTED ERROR!
║ ProcessException: No such file or directory
║   Command: ./ci.sh 
║ #0      _ProcessImpl._start (dart:io-patch/process_patch.dart:411:33)
║ #1      Process.start (dart:io-patch/process_patch.dart:42:20)
║ #2      startCommand (file:///Volumes/Work/s/w/ir/x/w/flutter/dev/bots/run_command.dart:111:47)
║ #3      runCommand (file:///Volumes/Work/s/w/ir/x/w/flutter/dev/bots/run_command.dart:263:33)
║ #4      customerTestingRunner (file:///Volumes/Work/s/w/ir/x/w/flutter/dev/bots/suite_runners/run_customer_testing_tests.dart:31:9)
║ <asynchronous suspension>
║ #5      _runFromList (file:///Volumes/Work/s/w/ir/x/w/flutter/dev/bots/utils.dart:789:7)
║ <asynchronous suspension>
║ #6      main (file:///Volumes/Work/s/w/ir/x/w/flutter/dev/bots/test.dart:124:5)
║ <asynchronous suspension>
║ 
║ The test.dart script should be corrected to catch this error and call foundError().
║ Some tests are likely to have been skipped.
╚═══════════════════════════════════════════════════════════════════════════════
Step failed (retcode: 255)

suspected cause is https://dart.googlesource.com/sdk.git/+/0171629a54781f3672629b1f85afa74e9d4022ca

[andywolff]

the latest dart into flutter roll succeeded, so the two PRs that merged have fixed it. However, I think there are other instances in the codebase which do not block the dart roll because they either pass or don't run in CI, but we should still update them for completeness. I'll handle that in #193595

[andywolff]

Closing, this was fixed by #193595