Stuck waiting for Dart VM url with no stack trace #127141
Description
This issue is specifically for tracking test flakes when the test is stuck waiting for the Dart VM url and there is no stack trace or errors.
[2023-05-16 20:19:59.651391] [STDOUT] stdout: [ ] (lldb) connect
[2023-05-16 20:19:59.673451] [STDOUT] stdout: [ +21 ms] (lldb) run
[2023-05-16 20:19:59.673515] [STDOUT] stdout: [ ] Debugger state set to launching.
[2023-05-16 20:19:59.790472] [STDOUT] stdout: [ +116 ms] success
[2023-05-16 20:19:59.790529] [STDOUT] stdout: [ ] Debugger state set to attached.
[2023-05-16 20:19:59.790594] [STDOUT] stdout: [ ] Application launched on the device. Waiting for Dart VM Service url.
Example: https://ci.chromium.org/ui/p/flutter/builders/prod/Mac_ios%20ios_platform_view_tests/10942/overview