Flaky test: test_schema_examples

[devinfra-flakiness]

Flaky Test Detected

Test: tests/sentry/spans/test_buffer.py::test_schema_examples[single-nochunk-basic_span]

Statistics over the last 30 days:
* Runs Recorded: 81
* Flakes Failed: 3 (3.703704%)
* Flakes Retried: 3 (3.703704%)

Example Flakes:

• https://github.com/getsentry/sentry/actions/runs/23160464707/job/67287006129
• https://github.com/getsentry/sentry/actions/runs/23160306794/job/67286453869
• https://github.com/getsentry/sentry/actions/runs/23159954770/job/67285182238

This flaky test needs to be addressed. Please choose one:

1. Fix the flakiness. Easier said than done, I know.
2. Delete the test, if its value is lower than its costs. Only the test
   owner can decide this.
3. Reassign this issue.
   • If there's a better owner for this task, please consider updating
     CODEOWNERS to help the system work better in future.
   • If this flakiness is caused by a flaw in the test process itself, then
     team-devinfra may be the best owner.

If this issue has no movement for two weeks, you may see a PR proposing to
delete this flaky test.

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See also:
Flaky Test Policy & Responsibilities

[linear-code]

ENG-7100