     import mx.collections.ListCollectionView;
     import mx.collections.Sort;
     import mx.collections.SortField;
+    import mx.utils.ObjectUtil;
 
     import org.flexunit.asserts.assertEquals;
 

            _sut.addAll(from1To4);

            const sortByNameAscending:Sort = new Sort();
            sortByNameAscending.fields = [new SortField("address.street", false, false)];
            _sut.sort = sortByNameAscending;
            _sut.refresh(); //values: Object1, Object2, Object3, Object4


            _sut.addAll(from1To4);

            const sortByNameAscending:Sort = new Sort();
            sortByNameAscending.fields = [new SortField("name", false, false, false)];
            _sut.sort = sortByNameAscending;
            _sut.refresh(); //values: Object1, Object2, Object3, Object4

