Possible deadlock when running Microsoft.ML.Tests

## Build Information
Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=561198
Build error leg or test failing: Microsoft.ML.Tests.WorkItemExecution
Pull request: https://github.com/dotnet/machinelearning/pull/6983

## Error Message

Fill the error message using [step by step known issues guidance](https://github.com/dotnet/arcade/blob/main/Documentation/Projects/Build%20Analysis/KnownIssues.md#how-to-fill-out-a-known-issue-error-section).

```json
{
"ErrorMessage": [ "[Long Running Test] 'Microsoft.ML.Tests.Scenarios.Api.CookbookSamples.CookbookSamplesDynamicApi.TextFeaturization'", "[Long Running Test] 'Microsoft.ML.Tests.Transformers.WordEmbeddingsTests.TestWordEmbeddings'" ],
"ErrorPattern": "",
"BuildRetry": false,
"ExcludeConsoleLog": false
}
```

sample output
```
[Long Running Test] 'Microsoft.ML.Tests.Scenarios.Api.CookbookSamples.CookbookSamplesDynamicApi.TextFeaturization', Elapsed: 00:58:09
[Long Running Test] 'Microsoft.ML.Tests.Transformers.WordEmbeddingsTests.TestWordEmbeddings', Elapsed: 00:58:08
```

### Known issue validation
**Build: :mag_right:** https://dev.azure.com/dnceng-public/public/_build/results?buildId=561198
**Error message validated:** `[[Long Running Test] 'Microsoft.ML.Tests.Scenarios.Api.CookbookSamples.CookbookSamplesDynamicApi.TextFeaturization' [Long Running Test] 'Microsoft.ML.Tests.Transformers.WordEmbeddingsTests.TestWordEmbeddings'`]
**Result validation:** :white_check_mark: Known issue matched with the provided build.
**Validation performed at:** 2/12/2024 4:36:55 PM UTC

### Report
#### Summary
|24-Hour Hit Count|7-Day Hit Count|1-Month Count|
|---|---|---|
|0|0|0|