[Flaky CI]: Browser Unit Tests - test/tracing/request.test.ts > instrumentOutgoingRequests > creates a QUERY XHR 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 XHR 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 test named in the issue, then inspect the linked Browser Unit Tests run for the failure details. Reproduce the flake and identify why the QUERY XHR span's method attribute is intermittent; done means the test passes reliably without weakening its assertion.

Written by the indexing model from the issue text.