unreliable test: Q Feature Dev "Iterates on codegen" timeout and accept button failure

[tomcat323]

Test Details

• Name of test: E2E
• VSCode version of failure (minimum/insider/stable): stable
• Link to failing run: https://d1ihu6zq92vp9p.cloudfront.net/175f9cf5-cbfd-4150-aaa7-39128b4084c1/report.html
• Link to failing test: https://us-west-2.console.aws.amazon.com/codesuite/codebuild/135502059251/projects/vscodeE2ETest/history?region=us-west-2&builds-meta=eyJmIjp7InRleHQiOiIiLCJzdGF0dXMiOiIifSwicyI6e30sIm4iOjIwLCJpIjoxfQ

Log of Test Failure

  1) Amazon Q Feature Dev
       /dev {msg} entry
         "before each" hook for "Iterates on codegen":
     Error: Test length exceeded max duration: 300 seconds
[No Pending UI Elements Found]
      at Timeout._onTimeout (/codebuild/output/src1654629272/src/github.com/aws/aws-toolkit-vscode/packages/core/src/test/setupUtil.ts:46:32)
      at listOnTimeout (node:internal/timers:581:17)
      at processTimers (node:internal/timers:519:7)

  2) Amazon Q Feature Dev
       file-level accepts
         accept button
           button text
             shows "Accept all changes" when no files are accepted or rejected, and "Accept remaining changes" otherwise:

      AssertionError [ERR_ASSERTION]: The expression evaluated to a falsy value:

  assert_1.default.ok(insertCodeButton.pillText === 'Accept remaining changes')

      + expected - actual

      -false
      +true
      
      at Context.<anonymous> (test/e2e/amazonq/featureDev.test.ts:298:28)

globalSetup: after()
deleteTestTempDirs: deleted 1 test temp dirs
Error: 2 tests failed.
    at /codebuild/output/src1654629272/src/github.com/aws/aws-toolkit-vscode/packages/core/src/test/testRunner.ts:128:28
    at MultiReporters.done (/codebuild/output/src1654629272/src/github.com/aws/aws-toolkit-vscode/node_modules/mocha-multi-reporters/lib/MultiReporters.js:124:16)
    at done (/codebuild/output/src1654629272/src/github.com/aws/aws-toolkit-vscode/node_modules/mocha/lib/mocha.js:1007:16)
    at processTicksAndRejections (node:internal/process/task_queues:95:5)
�[90m[main 2025-01-29T00:29:31.269Z]�[0m Extension host with pid 3221 exited with code: 0, signal: unknown.
Exit code:   1

Additional Information

Introduced in: #6453

Got the confirmation that this is not an application issue, and partner proceeded with skipping the test: #6491.

The skip unblocks our CI and canary. However the issue is not resolved, a fix is still needed.