Test Failure: System.Net.WebSockets.Client.Tests.CancelTest_SharedHandler_Loopback.ConnectAsync_Cancel_ThrowsCancellationException

## Build Information
Build: https://dev.azure.com/dnceng-public/public/_build/results?buildId=1586870
Build error leg or test failing: android-x64 Release AllSubsets_CoreCLR_Smoke - System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.ConnectAsync_Cancel_ThrowsCancellationException
Pull request: https://github.com/dotnet/runtime/pull/133404

## Error Message

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

```json
{
"ErrorPattern": "System\\.Net\\.WebSockets\\.Client\\.Tests\\.CancelTest_\\w+Loopback\\.ConnectAsync_Cancel_ThrowsCancellationException",
"BuildRetry": false,
"ExcludeConsoleLog": false
}
```

### Known issue validation
**Build: :mag_right:** https://dev.azure.com/dnceng-public/public/_build/results?buildId=1500785
**Error message validated:** `[System.Net.WebSockets.Client.Tests.CancelTest_SharedHandler_Loopback.ConnectAsync_Cancel_ThrowsCancellationException(useSsl: False) [FAIL]`]
**Result validation:** :white_check_mark: Known issue matched with the provided build.
**Validation performed at:** 7/9/2026 10:27:44 PM UTC

### Report

|Build|Repository|Test|Pull Request|
|---|---|---|---|
|[1500785](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1500785)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_SharedHandler_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1500785&view=ms.vss-test-web.build-test-results-tab&runId=41375768&resultId=228140)||
#### Summary
|24-Hour Hit Count|7-Day Hit Count|1-Month Count|
|---|---|---|
|0|0|1|

### Known issue validation
**Build: :mag_right:** https://dev.azure.com/dnceng-public/public/_build/results?buildId=1586870
**Error message validated:** `[System\.Net\.WebSockets\.Client\.Tests\.CancelTest_\w+Loopback\.ConnectAsync_Cancel_ThrowsCancellationException`]
**Result validation:** :white_check_mark: Known issue matched with the provided build.
**Validation performed at:** 9/8/2026 5:07:45 PM UTC

### Report

|Build|Repository|Test|Pull Request|
|---|---|---|---|
|[1500785](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1500785)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_SharedHandler_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1500785&view=ms.vss-test-web.build-test-results-tab&runId=41375768&resultId=228140)||
#### Summary
|24-Hour Hit Count|7-Day Hit Count|1-Month Count|
|---|---|---|
|0|0|1|

### Report

|Build|Repository|Test|Pull Request|
|---|---|---|---|
|[1595433](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1595433)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1595433&view=ms.vss-test-web.build-test-results-tab&runId=44049214&resultId=112637)|dotnet/runtime#133854|
|[1595442](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1595442)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1595442&view=ms.vss-test-web.build-test-results-tab&runId=44049304&resultId=113881)|dotnet/runtime#133826|
|[1595397](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1595397)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.AbortTest_Invoker_Loopback.AbortClient_ServerGetsCorrectException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1595397&view=ms.vss-test-web.build-test-results-tab&runId=44048056&resultId=113947)|dotnet/runtime#132116|
|[1594977](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1594977)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Http2Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1594977&view=ms.vss-test-web.build-test-results-tab&runId=44035232&resultId=112657)|dotnet/runtime#133197|
|[1594905](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1594905)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Http2Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1594905&view=ms.vss-test-web.build-test-results-tab&runId=44029600&resultId=113861)|dotnet/runtime#133389|
|[1594658](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1594658)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1594658&view=ms.vss-test-web.build-test-results-tab&runId=44022336&resultId=112638)|dotnet/runtime#133819|
|[1594433](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1594433)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_Invoker_Http2Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1594433&view=ms.vss-test-web.build-test-results-tab&runId=44013578&resultId=112733)|dotnet/runtime#133808|
|[1594314](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1594314)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_Invoker_Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1594314&view=ms.vss-test-web.build-test-results-tab&runId=44010672&resultId=212204)||
|[1594185](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1594185)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1594185&view=ms.vss-test-web.build-test-results-tab&runId=44006888&resultId=113879)|dotnet/runtime#133773|
|[1593861](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1593861)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1593861&view=ms.vss-test-web.build-test-results-tab&runId=43993896&resultId=112809)|dotnet/runtime#133655|
|[1593796](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1593796)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_SharedHandler_Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1593796&view=ms.vss-test-web.build-test-results-tab&runId=43993644&resultId=112753)|dotnet/runtime#133769|
|[1593790](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1593790)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_SharedHandler_Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1593790&view=ms.vss-test-web.build-test-results-tab&runId=43991646&resultId=112724)|dotnet/runtime#133768|
|[1593470](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1593470)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Http2Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1593470&view=ms.vss-test-web.build-test-results-tab&runId=43984906&resultId=213319)||
|[1593358](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1593358)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_Invoker_Http2Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1593358&view=ms.vss-test-web.build-test-results-tab&runId=43980916&resultId=112636)|dotnet/runtime#133599|
|[1593220](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1593220)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_Invoker_Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1593220&view=ms.vss-test-web.build-test-results-tab&runId=43978118&resultId=112694)|dotnet/runtime#133710|
|[1592994](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1592994)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1592994&view=ms.vss-test-web.build-test-results-tab&runId=43973922&resultId=241352)|dotnet/runtime#131597|
|[1592793](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1592793)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1592793&view=ms.vss-test-web.build-test-results-tab&runId=43968168&resultId=113879)|dotnet/runtime#133698|
|[1592539](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1592539)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1592539&view=ms.vss-test-web.build-test-results-tab&runId=43962152&resultId=113942)|dotnet/runtime#133685|
|[1592266](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1592266)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_Invoker_Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1592266&view=ms.vss-test-web.build-test-results-tab&runId=43953310&resultId=112725)|dotnet/runtime#133670|
|[1592119](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1592119)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Http2Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1592119&view=ms.vss-test-web.build-test-results-tab&runId=43948428&resultId=113932)|dotnet/runtime#133665|
|[1592095](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1592095)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1592095&view=ms.vss-test-web.build-test-results-tab&runId=43946602&resultId=113886)|dotnet/runtime#133606|
|[1592012](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1592012)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.WorkItemExecution](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1592012&view=ms.vss-test-web.build-test-results-tab&runId=43944250&resultId=101158)|dotnet/runtime#130885|
|[1591999](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1591999)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Http2Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1591999&view=ms.vss-test-web.build-test-results-tab&runId=43944176&resultId=114005)|dotnet/runtime#130312|
|[1591897](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1591897)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_SharedHandler_Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1591897&view=ms.vss-test-web.build-test-results-tab&runId=43942238&resultId=112721)|dotnet/runtime#133654|
|[1591889](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1591889)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_Invoker_Http2Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1591889&view=ms.vss-test-web.build-test-results-tab&runId=43942158&resultId=112678)|dotnet/runtime#132543|
|[1591718](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1591718)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_Invoker_Http2Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1591718&view=ms.vss-test-web.build-test-results-tab&runId=43936126&resultId=112691)|dotnet/runtime#133643|
|[1591478](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1591478)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1591478&view=ms.vss-test-web.build-test-results-tab&runId=43936794&resultId=100652)|dotnet/runtime#133629|
|[1591631](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1591631)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1591631&view=ms.vss-test-web.build-test-results-tab&runId=43933940&resultId=112635)|dotnet/runtime#133599|
|[1591587](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1591587)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1591587&view=ms.vss-test-web.build-test-results-tab&runId=43933206&resultId=112635)|dotnet/runtime#131589|
|[1591177](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1591177)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1591177&view=ms.vss-test-web.build-test-results-tab&runId=43923274&resultId=112737)||
|[1591096](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1591096)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1591096&view=ms.vss-test-web.build-test-results-tab&runId=43921712&resultId=112614)|dotnet/runtime#133607|
|[1591086](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1591086)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1591086&view=ms.vss-test-web.build-test-results-tab&runId=43921704&resultId=112875)|dotnet/runtime#133539|
|[1590813](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1590813)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_SharedHandler_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1590813&view=ms.vss-test-web.build-test-results-tab&runId=43915288&resultId=203227)|dotnet/runtime#131597|
|[1590770](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1590770)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Http2Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1590770&view=ms.vss-test-web.build-test-results-tab&runId=43912194&resultId=101218)|dotnet/runtime#133590|
|[1590463](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1590463)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_Invoker_Http2Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1590463&view=ms.vss-test-web.build-test-results-tab&runId=43901282&resultId=112643)|dotnet/runtime#133576|
|[1590378](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1590378)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_Invoker_Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1590378&view=ms.vss-test-web.build-test-results-tab&runId=43897514&resultId=112864)|dotnet/runtime#133573|
|[1590370](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1590370)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_Invoker_Http2Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1590370&view=ms.vss-test-web.build-test-results-tab&runId=43897390&resultId=101216)|dotnet/runtime#133572|
|[1590097](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1590097)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1590097&view=ms.vss-test-web.build-test-results-tab&runId=43889024&resultId=112635)|dotnet/runtime#133426|
|[1590019](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1590019)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_SharedHandler_Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1590019&view=ms.vss-test-web.build-test-results-tab&runId=43888088&resultId=212150)||
|[1589693](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1589693)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.SendReceiveTest_HttpClient_Loopback.ReceiveAsync_MultipleOutstandingReceiveOperations_Throws](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1589693&view=ms.vss-test-web.build-test-results-tab&runId=43879028&resultId=114091)|dotnet/runtime#133526|
|[1589610](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1589610)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Http2Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1589610&view=ms.vss-test-web.build-test-results-tab&runId=43877068&resultId=112665)||
|[1589218](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1589218)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Http2Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1589218&view=ms.vss-test-web.build-test-results-tab&runId=43866556&resultId=101141)||
|[1589069](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1589069)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Http2Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1589069&view=ms.vss-test-web.build-test-results-tab&runId=43861712&resultId=112683)|dotnet/runtime#133378|
|[1589052](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1589052)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1589052&view=ms.vss-test-web.build-test-results-tab&runId=43861000&resultId=113937)|dotnet/runtime#130407|
|[1588512](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1588512)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_Invoker_Http2Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1588512&view=ms.vss-test-web.build-test-results-tab&runId=43843562&resultId=112740)|dotnet/runtime#133472|
|[1588283](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1588283)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Http2Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1588283&view=ms.vss-test-web.build-test-results-tab&runId=43837140&resultId=112727)|dotnet/runtime#131461|
|[1588064](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1588064)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_Invoker_Http2Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1588064&view=ms.vss-test-web.build-test-results-tab&runId=43828016&resultId=112726)|dotnet/runtime#131869|
|[1587941](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1587941)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1587941&view=ms.vss-test-web.build-test-results-tab&runId=43825174&resultId=112631)|dotnet/runtime#133447|
|[1587854](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1587854)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1587854&view=ms.vss-test-web.build-test-results-tab&runId=43821952&resultId=113845)||
|[1587822](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1587822)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1587822&view=ms.vss-test-web.build-test-results-tab&runId=43821344&resultId=112756)|dotnet/runtime#133434|
|[1587722](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1587722)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.SendAsync_Cancel_Success](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1587722&view=ms.vss-test-web.build-test-results-tab&runId=43817054&resultId=112730)|dotnet/runtime#133146|
|[1587421](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1587421)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1587421&view=ms.vss-test-web.build-test-results-tab&runId=43809864&resultId=112629)|dotnet/runtime#131869|
|[1587353](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1587353)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1587353&view=ms.vss-test-web.build-test-results-tab&runId=43807688&resultId=206066)|dotnet/runtime#133344|
|[1587150](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1587150)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1587150&view=ms.vss-test-web.build-test-results-tab&runId=43802986&resultId=152514)|dotnet/runtime#132423|
|[1587083](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1587083)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_SharedHandler_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1587083&view=ms.vss-test-web.build-test-results-tab&runId=43801034&resultId=168644)|dotnet/runtime#133413|
|[1586944](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1586944)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_SharedHandler_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1586944&view=ms.vss-test-web.build-test-results-tab&runId=43797334&resultId=162018)|dotnet/runtime#130556|
|[1586870](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1586870)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1586870&view=ms.vss-test-web.build-test-results-tab&runId=43792932&resultId=113873)|dotnet/runtime#133404|
|[1586752](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1586752)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_SharedHandler_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1586752&view=ms.vss-test-web.build-test-results-tab&runId=43791514&resultId=184632)||
|[1586491](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1586491)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1586491&view=ms.vss-test-web.build-test-results-tab&runId=43779444&resultId=182781)|dotnet/runtime#130050|
|[1586451](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1586451)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1586451&view=ms.vss-test-web.build-test-results-tab&runId=43777366&resultId=219739)|dotnet/runtime#133380|
|[1586426](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1586426)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1586426&view=ms.vss-test-web.build-test-results-tab&runId=43776096&resultId=202017)|dotnet/runtime#132419|
|[1585395](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1585395)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_SharedHandler_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1585395&view=ms.vss-test-web.build-test-results-tab&runId=43747944&resultId=155479)|dotnet/runtime#133340|
|[1585392](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1585392)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1585392&view=ms.vss-test-web.build-test-results-tab&runId=43746848&resultId=241192)||
|[1585342](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1585342)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_SharedHandler_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1585342&view=ms.vss-test-web.build-test-results-tab&runId=43745350&resultId=161230)||
|[1584906](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1584906)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1584906&view=ms.vss-test-web.build-test-results-tab&runId=43731512&resultId=185093)||
|[1584687](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1584687)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_SharedHandler_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1584687&view=ms.vss-test-web.build-test-results-tab&runId=43725202&resultId=178662)|dotnet/runtime#133222|
|[1584493](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1584493)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1584493&view=ms.vss-test-web.build-test-results-tab&runId=43718474&resultId=165755)|dotnet/runtime#133309|
|[1584491](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1584491)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_SharedHandler_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1584491&view=ms.vss-test-web.build-test-results-tab&runId=43718076&resultId=183500)||
|[1584416](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1584416)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_SharedHandler_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1584416&view=ms.vss-test-web.build-test-results-tab&runId=43716274&resultId=202909)|dotnet/runtime#133304|
|[1584422](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1584422)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1584422&view=ms.vss-test-web.build-test-results-tab&runId=43715838&resultId=194294)||
|[1584246](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1584246)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1584246&view=ms.vss-test-web.build-test-results-tab&runId=43712308&resultId=198308)||
|[1584228](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1584228)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1584228&view=ms.vss-test-web.build-test-results-tab&runId=43711256&resultId=182263)|dotnet/runtime#133291|
|[1583971](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1583971)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1583971&view=ms.vss-test-web.build-test-results-tab&runId=43703646&resultId=190266)|dotnet/runtime#132572|
|[1583964](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1583964)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1583964&view=ms.vss-test-web.build-test-results-tab&runId=43703488&resultId=183532)|dotnet/runtime#133265|
|[1583864](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1583864)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_SharedHandler_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1583864&view=ms.vss-test-web.build-test-results-tab&runId=43701988&resultId=195331)|dotnet/runtime#130805|
|[1583662](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1583662)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1583662&view=ms.vss-test-web.build-test-results-tab&runId=43695278&resultId=240897)||
|[1583627](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1583627)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1583627&view=ms.vss-test-web.build-test-results-tab&runId=43693532&resultId=206046)||
|[1582842](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1582842)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_SharedHandler_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1582842&view=ms.vss-test-web.build-test-results-tab&runId=43669496&resultId=221117)|dotnet/runtime#133000|
|[1582616](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1582616)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1582616&view=ms.vss-test-web.build-test-results-tab&runId=43662480&resultId=186060)|dotnet/runtime#133227|
|[1582532](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1582532)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_SharedHandler_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1582532&view=ms.vss-test-web.build-test-results-tab&runId=43659610&resultId=180591)||
|[1582547](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1582547)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1582547&view=ms.vss-test-web.build-test-results-tab&runId=43660352&resultId=174014)|dotnet/runtime#133000|
|[1582427](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1582427)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_SharedHandler_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1582427&view=ms.vss-test-web.build-test-results-tab&runId=43655714&resultId=183616)|dotnet/runtime#133222|
|[1581856](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1581856)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1581856&view=ms.vss-test-web.build-test-results-tab&runId=43637946&resultId=177280)|dotnet/runtime#132965|
|[1581844](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1581844)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1581844&view=ms.vss-test-web.build-test-results-tab&runId=43637242&resultId=209642)|dotnet/runtime#133202|
|[1581811](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1581811)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1581811&view=ms.vss-test-web.build-test-results-tab&runId=43636652&resultId=184532)|dotnet/runtime#132861|
|[1581820](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1581820)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_SharedHandler_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1581820&view=ms.vss-test-web.build-test-results-tab&runId=43636054&resultId=213701)|dotnet/runtime#132042|
|[1581677](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1581677)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_SharedHandler_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1581677&view=ms.vss-test-web.build-test-results-tab&runId=43635170&resultId=195325)|dotnet/runtime#133115|
|[1581312](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1581312)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1581312&view=ms.vss-test-web.build-test-results-tab&runId=43631470&resultId=182806)|dotnet/runtime#133176|
|[1581072](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1581072)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_SharedHandler_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1581072&view=ms.vss-test-web.build-test-results-tab&runId=43620150&resultId=176809)|dotnet/runtime#132965|
|[1581040](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1581040)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1581040&view=ms.vss-test-web.build-test-results-tab&runId=43619044&resultId=209489)|dotnet/runtime#133173|
|[1580781](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1580781)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_SharedHandler_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1580781&view=ms.vss-test-web.build-test-results-tab&runId=43610644&resultId=236433)|dotnet/runtime#133165|
|[1580542](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1580542)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_SharedHandler_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1580542&view=ms.vss-test-web.build-test-results-tab&runId=43600644&resultId=181533)|dotnet/runtime#133079|
|[1580470](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1580470)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_SharedHandler_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1580470&view=ms.vss-test-web.build-test-results-tab&runId=43597800&resultId=184867)|dotnet/runtime#133153|
|[1580398](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1580398)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1580398&view=ms.vss-test-web.build-test-results-tab&runId=43591780&resultId=200364)||
|[1580045](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1580045)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1580045&view=ms.vss-test-web.build-test-results-tab&runId=43579096&resultId=167119)|dotnet/runtime#133143|
|[1579993](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1579993)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_SharedHandler_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1579993&view=ms.vss-test-web.build-test-results-tab&runId=43577446&resultId=182894)|dotnet/runtime#133077|
|[1579855](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1579855)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1579855&view=ms.vss-test-web.build-test-results-tab&runId=43574696&resultId=190456)||
|[1579803](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1579803)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_SharedHandler_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1579803&view=ms.vss-test-web.build-test-results-tab&runId=43573788&resultId=202905)|dotnet/runtime#133000|
|[1579790](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1579790)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1579790&view=ms.vss-test-web.build-test-results-tab&runId=43573370&resultId=195153)|dotnet/runtime#133132|
|[1579748](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1579748)|dotnet/runtime|[System.Net.WebSockets.Client.Tests.CancelTest_HttpClient_Loopback.ConnectAsync_Cancel_ThrowsCancellationException](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1579748&view=ms.vss-test-web.build-test-results-tab&runId=43571546&resultId=210227)|dotnet/runtime#130805|
Displaying 100 of 193 results
#### Summary
|24-Hour Hit Count|7-Day Hit Count|1-Month Count|
|---|---|---|
|4|58|193|

> [!NOTE]
> This issue body was updated with GitHub Copilot.

Start with the System.Net.WebSockets.Client.Tests.CancelTest_SharedHandler_Loopback.ConnectAsync_Cancel_ThrowsCancellationException failure in the linked Android x64 Release build, then compare the related CancelTest reports in the issue. Check pull request dotnet/runtime#133404 and the referenced test results before deciding whether the failure is still actionable; done means the relevant test passes reliably.

Written by the indexing model from the issue text.