The post-submit test builder Linux tool_integration_tests_3_4 had a flaky ratio 2.00% for the past (up to) 100 commits, which is above our 2.00% threshold.

One recent flaky example for a same commit: https://ci.chromium.org/ui/p/flutter/builders/prod/Linux%20tool_integration_tests_3_4/2442
Commit: 2ac39b9
Flaky builds:
https://ci.chromium.org/ui/p/flutter/builders/prod/Linux%20tool_integration_tests_3_4/2442
https://ci.chromium.org/ui/p/flutter/builders/prod/Linux%20tool_integration_tests_3_4/2400

Succeeded builds (3 most recent):
https://ci.chromium.org/ui/p/flutter/builders/prod/Linux%20tool_integration_tests_3_4/2448
https://ci.chromium.org/ui/p/flutter/builders/prod/Linux%20tool_integration_tests_3_4/2447
https://ci.chromium.org/ui/p/flutter/builders/prod/Linux%20tool_integration_tests_3_4/2446

Please follow https://github.com/flutter/flutter/wiki/Reducing-Test-Flakiness#fixing-flaky-tests to fix the flakiness and enable the test back after validating the fix (internal dashboard to validate: go/flutter_test_flakiness).