Flaky tests in CI

[dhruvmanila]

Summary

Collecting the flaky tests that we're seeing so far, re-running them makes them pass:

• ty_server::e2e pull_diagnostics::on_did_open: https://github.com/astral-sh/ruff/actions/runs/19290646588/job/55160349507?pr=21363#step:7:5873
• ty::file_watching directory_renamed: https://github.com/astral-sh/ruff/actions/runs/19336380853/job/55312446927?pr=21421#step:7:5706
• ty::file_watching unix::symlink_inside_project: https://github.com/astral-sh/ruff/actions/runs/19322265094/job/55265874405?pr=21419#step:7:5706

Version

No response

[MichaReiser]

What's important to note is that they're all specific to macos

[mtshiba]

another one: astral-sh/ruff#21317 (comment)

• ty_server::e2e pull_diagnostics::document_diagnostic_caching_changed: astral-sh/ruff/actions/runs/19173434027/job/54811898939?pr=21317

[AlexWaygood]

ty::file_watching directory_moved_to_trash https://github.com/astral-sh/ruff/actions/runs/19377807970/job/55449565886