System.IO.Tests.Directory_Move_Tests.Directory_Move_Multiple_From_Watched_To_Unwatched_Mac

```
Starting: System.IO.FileSystem.Watcher.Tests (parallel test collections = on [8 threads], stop on fail = off)
System.IO.Tests.Directory_Move_Tests.Directory_Move_Multiple_From_Watched_To_Unwatched_Mac(filesCount: 2) [FAIL]
Assert.Equal() Failure: Collections differ
↓ (pos 0)
Expected: ArraySelectIterator<<>f__AnonymousType0, FiredEvent> [Deleted /tmp/helix/working/BCCF0A62/t/#Directory_Move_Tests_meuei0e5.azu/CreateTestDirectory_237_jtskqvgj/dir0 , Deleted /tmp/helix/working/BCCF0A62/t/#Directory_Move_Tests_meuei0e5.azu/CreateTestDirectory_237_jtskqvgj/dir1 ]
Actual: List [Deleted /tmp/helix/working/BCCF0A62/t/#Directory_Move_Tests_meuei0e5.azu/CreateTestDirectory_237_jtskqvgj/dir1 , Deleted /tmp/helix/working/BCCF0A62/t/#Directory_Move_Tests_meuei0e5.azu/CreateTestDirectory_237_jtskqvgj/dir0 ]
↑ (pos 0)
Stack Trace:
/_/src/libraries/System.IO.FileSystem.Watcher/tests/FileSystemWatcher.Directory.Move.cs(184,0): at System.IO.Tests.Directory_Move_Tests.DirectoryMove_Multiple_FromWatchedToUnwatched(Int32 filesCount, Boolean skipOldEvents)
/_/src/libraries/System.IO.FileSystem.Watcher/tests/FileSystemWatcher.Directory.Move.cs(42,0): at System.IO.Tests.Directory_Move_Tests.Directory_Move_Multiple_From_Watched_To_Unwatched_Mac(Int32 filesCount)
at InvokeStub_Directory_Move_Tests.Directory_Move_Multiple_From_Watched_To_Unwatched_Mac(Object, Span`1)
/_/src/libraries/System.Private.CoreLib/src/System/Reflection/MethodBaseInvoker.cs(95,0): at System.Reflection.MethodBaseInvoker.InvokeWithOneArg(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) Starting: System.IO.FileSystem.Watcher.Tests (parallel test collections = on [8 threads], stop on fail = off)
System.IO.Tests.Directory_Move_Tests.Directory_Move_Multiple_From_Watched_To_Unwatched_Mac(filesCount: 2) [FAIL]
Assert.Equal() Failure: Collections differ
↓ (pos 0)
Expected: ArraySelectIterator<<>f__AnonymousType0, FiredEvent> [Deleted /tmp/helix/working/BCCF0A62/t/#Directory_Move_Tests_meuei0e5.azu/CreateTestDirectory_237_jtskqvgj/dir0 , Deleted /tmp/helix/working/BCCF0A62/t/#Directory_Move_Tests_meuei0e5.azu/CreateTestDirectory_237_jtskqvgj/dir1 ]
Actual: List [Deleted /tmp/helix/working/BCCF0A62/t/#Directory_Move_Tests_meuei0e5.azu/CreateTestDirectory_237_jtskqvgj/dir1 , Deleted /tmp/helix/working/BCCF0A62/t/#Directory_Move_Tests_meuei0e5.azu/CreateTestDirectory_237_jtskqvgj/dir0 ]
↑ (pos 0)
Stack Trace:
/_/src/libraries/System.IO.FileSystem.Watcher/tests/FileSystemWatcher.Directory.Move.cs(184,0): at System.IO.Tests.Directory_Move_Tests.DirectoryMove_Multiple_FromWatchedToUnwatched(Int32 filesCount, Boolean skipOldEvents)
/_/src/libraries/System.IO.FileSystem.Watcher/tests/FileSystemWatcher.Directory.Move.cs(42,0): at System.IO.Tests.Directory_Move_Tests.Directory_Move_Multiple_From_Watched_To_Unwatched_Mac(Int32 filesCount)
at InvokeStub_Directory_Move_Tests.Directory_Move_Multiple_From_Watched_To_Unwatched_Mac(Object, Span`1)
/_/src/libraries/System.Private.CoreLib/src/System/Reflection/MethodBaseInvoker.cs(95,0): at System.Reflection.MethodBaseInvoker.InvokeWithOneArg(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
```

## Build Information
Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1404771
Build error leg or test failing: System.IO.Tests.Directory_Move_Tests.Directory_Move_Multiple_From_Watched_To_Unwatched_Mac
Pull request: https://github.com/dotnet/runtime/pull/125795

## Error Message

**DO NOT USE JSON BELOW IF THIS IS A BUILD BREAK** otherwise build analysis will allow pull requests to merge that break the build worse. For a build break, do not use this issue form. Make a regular new issue.

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.IO.Tests.Directory_Move_Tests.Directory_Move_Multiple_From_Watched_To_Unwatched_Mac", "Assert.Equal() Failure: Collections differ"],
"BuildRetry": false,
"ExcludeConsoleLog": false
}
```

### Known issue validation
**Build: :mag_right:** https://dev.azure.com/dnceng-public/public/_build/results?buildId=1404771
**Error message validated:** `[System.IO.Tests.Directory_Move_Tests.Directory_Move_Multiple_From_Watched_To_Unwatched_Mac Assert.Equal() Failure: Collections differ`]
**Result validation:** :white_check_mark: Known issue matched with the provided build.
**Validation performed at:** 5/1/2026 3:45:29 PM UTC

### Report

|Build|Repository|Test|Pull Request|
|---|---|---|---|
|[1574067](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1574067)|dotnet/runtime|[System.IO.Tests.Directory_Move_Tests.Directory_Move_Multiple_From_Watched_To_Unwatched_Mac](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1574067&view=ms.vss-test-web.build-test-results-tab&runId=43375002&resultId=120758)|dotnet/runtime#132881|
#### Summary
|24-Hour Hit Count|7-Day Hit Count|1-Month Count|
|---|---|---|
|0|0|1|