Fix type name completion test for winps

Author: SeeminglyScience

test/PowerShellEditorServices.Test/Language/CompletionHandlerTests.cs

@@ -83,7 +83,7 @@ public async Task CompletesTypeName()
                 Assert.Equal(CompleteTypeName.ExpectedCompletion with
                 {
                     Kind = CompletionItemKind.Class,
-                    Detail = "Class System.Collections.ArrayList"
+                    Detail = "System.Collections.ArrayList"
                 }, actual);
             }
         }