fix missing using.

donandren · Jun 1, 2022 · aee14ba · aee14ba
1 parent 761edc1
commit aee14ba
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/tests/Avalonia.LeakTests/ControlTests.cs b/tests/Avalonia.LeakTests/ControlTests.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Collections.ObjectModel;
 using System.Linq;
 using System.Reactive.Disposables;
 using Avalonia.Controls;