Microsoft.CodeAnalysis.Editor.UnitTests.Peek.PeekTests.TestPeekDefinitionFromVisualBasicMetadataAsSource
System.Exception : 1 exception(s) were thrown during test.
Note: exceptions may have been thrown by another test running concurrently with
this test. This can happen with any tests that share the same ExportProvider.
Examining individual exception stacks may help reveal the original test and source
of the problem.
Exception 0:
System.NullReferenceException: Object reference not set to an instance of an object.
at Microsoft.VisualStudio.Text.InterTextAdornmentSupport.Implementation.InterLineAdornmentManager.PerformLayout(SnapshotPoint trackingPoint)
at Microsoft.VisualStudio.Text.InterTextAdornmentSupport.Implementation.InterLineAdornmentManager.OnBatchedTagsChanged(Object sender, BatchedTagsChangedEventArgs e)
at Microsoft.VisualStudio.Text.Utilities.GuardedOperations.RaiseEvent[TArgs](Object sender, EventHandler`1 eventHandlers, TArgs args)
---- System.NullReferenceException : Object reference not set to an instance of an object.
Stack Trace:
at Microsoft.CodeAnalysis.Editor.UnitTests.Workspaces.TestWorkspace.Dispose(Boolean finalize)
at Microsoft.CodeAnalysis.Workspace.Dispose()
at Microsoft.CodeAnalysis.Editor.UnitTests.Peek.PeekTests.TestPeekDefinitionFromVisualBasicMetadataAsSource()
----- Inner Stack Trace -----
at Microsoft.VisualStudio.Text.InterTextAdornmentSupport.Implementation.InterLineAdornmentManager.PerformLayout(SnapshotPoint trackingPoint)
at Microsoft.VisualStudio.Text.InterTextAdornmentSupport.Implementation.InterLineAdornmentManager.OnBatchedTagsChanged(Object sender, BatchedTagsChangedEventArgs e)
Possibly the same issue as https://github.com/dotnet/roslyn/issues/20370, but I'm not 100% sure so I'm opening a new issue. Failed in 15.6.x-vs-deps https://ci.dot.net/job/dotnet_roslyn/view/Official%20Builds/job/dev15.6.x-vs-deps/job/windows_debug_unit64/37/.