[QUIC] Sporadic long running tests

## Build Information
Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1149293
Build error leg or test failing: System.Net.Quic.Functional.Tests.WorkItemExecution
Pull request: https://github.com/dotnet/runtime/pull/119747

## Error Message

Fill the error message using [step by step known issues guidance](https://github.com/dotnet/arcade/blob/main/Documentation/Projects/Build%20Analysis/KnownIssueJsonStepByStep.md).

```json
{
"ErrorMessage": "System.Net.Quic.Functional.Tests: [Long Running Test]",
"ErrorPattern": "",
"BuildRetry": false,
"ExcludeConsoleLog": false
}
```

### Known issue validation
**Build: :mag_right:** https://dev.azure.com/dnceng-public/public/_build/results?buildId=1149293
**Error message validated:** `[System.Net.Quic.Functional.Tests: [Long Running Test]`]
**Result validation:** :white_check_mark: Known issue matched with the provided build.
**Validation performed at:** 9/16/2025 2:08:19 PM UTC

### Report

|Build|Repository|Test|Pull Request|
|---|---|---|---|
|[1593285](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1593285)|dotnet/runtime|[System.Net.Quic.Tests.QuicStreamTests.ReadWrite_Random_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1593285&view=ms.vss-test-web.build-test-results-tab&runId=43982524&resultId=227184)|dotnet/runtime#132763|
|[1585531](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1585531)|dotnet/runtime|[System.Net.Quic.Tests.QuicStreamTests.ReadWrite_Random_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1585531&view=ms.vss-test-web.build-test-results-tab&runId=43753584&resultId=227149)|dotnet/runtime#132721|
#### Summary
|24-Hour Hit Count|7-Day Hit Count|1-Month Count|
|---|---|---|
|0|1|2|