[Ignore] Fix LSP client dispose bug in tests (#1212)

Author: rjmholt

test/PowerShellEditorServices.Test.E2E/LSPTestsFixures.cs

@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using System.Threading.Tasks;
@@ -48,9 +49,16 @@ public async override Task CustomInitializeAsync(
 
         public override async Task DisposeAsync()
         {
-            await LanguageClient.Shutdown();
-            await _psesProcess.Stop();
-            LanguageClient?.Dispose();
+            try
+            {
+                await LanguageClient.Shutdown();
+                await _psesProcess.Stop();
+                LanguageClient?.Dispose();
+            }
+            catch (ObjectDisposedException)
+            {
+                // Language client has a disposal bug in it
+            }
         }
     }
 }