Windows_android flavors_test_win is severe flaky #107681
Description
Windows_android flavors_test_win flakes 4 times today:
https://ci.chromium.org/ui/p/flutter/builders/prod/Windows_android%20flavors_test_win/4957/overview
https://ci.chromium.org/ui/p/flutter/builders/prod/Windows_android%20flavors_test_win/4953/overview
https://ci.chromium.org/ui/p/flutter/builders/prod/Windows_android%20flavors_test_win/4945/overview
https://ci.chromium.org/ui/p/flutter/builders/prod/Windows_android%20flavors_test_win/4944/overview
Error message:
_test_win] [STDOUT] stdout: [ ] executing: C:\opt\s\w\ir\cache\android\sdk\platform-tools\adb.exe -s ZY223C7M4J shell am force-stop com.yourcompany.flavors
[flavors_test_win] [STDOUT] stdout: [ ] test 0: Test process is no longer needed by test harness
[flavors_test_win] [STDOUT] stdout: [+1155 ms] executing: C:\opt\s\w\ir\cache\android\sdk\platform-tools\adb.exe -s ZY223C7M4J uninstall com.yourcompany.flavors
[flavors_test_win] [STDOUT] stdout: [ +554 ms] Success
[flavors_test_win] [STDOUT] stdout: [ ] test 0: deleting temporary directory
[flavors_test_win] [STDOUT] stdout: [ ] test 0: finished
[flavors_test_win] [STDOUT] stdout:
[flavors_test_win] [STDOUT] stdout: 00:55 +0 -1: Flavor Test check flavor - did not complete [E]
[flavors_test_win] [STDOUT] stdout:
[flavors_test_win] [STDOUT] stdout: 00:55 +0 -1: (tearDownAll) - did not complete [E]
[flavors_test_win] [STDOUT] stdout:
[flavors_test_win] [STDOUT] stdout: 00:55 +0 -1: Some tests failed.
[flavors_test_win] [STDOUT] stdout: [ +7 ms] test package returned with exit code 1
[flavors_test_win] [STDOUT] stdout: [ +2 ms] "flutter test" took 56,478ms.
[flavors_test_win] [STDOUT] stderr: [ +3 ms]
[flavors_test_win] [STDOUT] stderr: #0 throwToolExit (package:flutter_tools/src/base/common.dart:10:3)
[flavors_test_win] [STDOUT] stderr: #1 TestCommand.runCommand (package:flutter_tools/src/commands/test.dart:468:7)
[flavors_test_win] [STDOUT] stderr: <asynchronous suspension>
[flavors_test_win] [STDOUT] stderr: #2 FlutterCommand.run.<anonymous closure> (package:flutter_tools/src/runner/flutter_command.dart:1209:27)
[flavors_test_win] [STDOUT] stderr: <asynchronous suspension>
[flavors_test_win] [STDOUT] stderr: #3 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:150:19)
[flavors_test_win] [STDOUT] stderr: <asynchronous suspension>
[flavors_test_win] [STDOUT] stderr: #4 CommandRunner.runCommand (package:args/command_runner.dart:209:13)
[flavors_test_win] [STDOUT] stderr: <asynchronous suspension>
[flavors_test_win] [STDOUT] stderr: #5 FlutterCommandRunner.runCommand.<anonymous closure> (package:flutter_tools/src/runner/flutter_command_runner.dart:281:9)
[flavors_test_win] [STDOUT] stderr: <asynchronous suspension>
[flavors_test_win] [STDOUT] stderr: #6 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:150:19)
[flavors_test_win] [STDOUT] stderr: <asynchronous suspension>
[flavors_test_win] [STDOUT] stderr: #7 FlutterCommandRunner.runCommand (package:flutter_tools/src/runner/flutter_command_runner.dart:229:5)
[flavors_test_win] [STDOUT] stderr: <asynchronous suspension>
[flavors_test_win] [STDOUT] stderr: #8 run.<anonymous closure>.<anonymous closure> (package:flutter_tools/runner.dart:62:9)
[flavors_test_win] [STDOUT] stderr: <asynchronous suspension>
[flavors_test_win] [STDOUT] stderr: #9 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:150:19)
[flavors_test_win] [STDOUT] stderr: <asynchronous suspension>
[flavors_test_win] [STDOUT] stderr: #10 main (package:flutter_tools/executable.dart:91:3)
[flavors_test_win] [STDOUT] stderr: <asynchronous suspension>
[flavors_test_win] [STDOUT] stderr:
[flavors_test_win] [STDOUT] stderr:
[flavors_test_win] [STDOUT] stdout: [ +1 ms] ensureAnalyticsSent: 0ms
[flavors_test_win] [STDOUT] stdout: [ ] Running shutdown hooks
[flavors_test_win] [STDOUT] stdout: [ ] Shutdown hooks complete
[flavors_test_win] [STDOUT] stdout: [ ] exiting with code 1