Add missing using in test file necessary after the merge of next

Author: MDoerner

RubberduckTests/Grammar/ResolverTests.cs

@@ -3,11 +3,11 @@
 using System.Linq;
 using System.Threading;
 using NUnit.Framework;
+using Rubberduck.JunkDrawer.Extensions;
 using Rubberduck.Parsing.Symbols;
 using Rubberduck.Parsing.VBA;
 using RubberduckTests.Mocks;
 using Rubberduck.Parsing.Annotations;
-using Rubberduck.Parsing.VBA.Extensions;
 using Rubberduck.VBEditor;
 using Rubberduck.VBEditor.SafeComWrappers;
 using Rubberduck.VBEditor.SafeComWrappers.Abstract;