Linux tool_integration_tests_1_4 flakes on observatory_port_test timeout #97240
Description
(part of #97036)
These data is based Q4 2021 flakes that happened from 10/01/2021 to 01/13/2022
1 observatory_port_test.dart flake (2517)
22:11 +39 -1: test/integration.shard/observatory_port_test.dart: flutter run --dds-port [E]
TimeoutException after 0:15:00.000000: Test timed out after 15 minutes.
dart:isolate _RawReceivePortImpl._handleMessage
Launching lib/main.dart on Flutter test device in debug mode...
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