https://ci.chromium.org/ui/p/flutter/builders/try/Mac%20tool_integration_tests_4_4/19058/overview ``` _TypeError: (#0 FlutterResidentDevtoolsHandler.serveAndAnnounceDevTools (package:flutter_tools/src/resident_devtools_handler.dart:101:79)) ``` https://github.com/flutter/flutter/blob/master/packages/flutter_tools/lib/src/resident_devtools_handler.dart#L101 Code there newly added by @bkonyi in https://github.com/flutter/flutter/pull/118402. This is causing a lot of flakiness, so I'm. marking this P2.
