[Flaky CI]: Browser Unit Tests - test/tracing/request.test.ts > instrumentOutgoingRequests > creates a QUERY fetch span with the QUERY method attribute

### Flakiness Type

Other / Unknown

### Name of Job

Browser Unit Tests

### Name of Test

test/tracing/request.test.ts > instrumentOutgoingRequests > creates a QUERY fetch span with the QUERY method attribute

### Link to Test Run

https://github.com/getsentry/sentry-javascript/actions/runs/31585290429/job/94078055114

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_This issue was automatically created._

Start with test/tracing/request.test.ts and the instrumentOutgoingRequests case named in the issue, then inspect the linked Browser Unit Tests run for the failure details. Reproduce the test behavior and identify why the QUERY fetch span assertion is intermittent; done means the test passes reliably in Browser Unit Tests.

索引モデルが issue の本文から書いたものです。