MAGETWO-63321: Issue when deleting item from Product options grid containing more than 20 options

Author: Sergii Kovalenko

app/code/Magento/Ui/view/base/web/js/dynamic-rows/dynamic-rows.js

@@ -839,15 +839,16 @@ define([
                 recordsData;
 
             if (this.deleteProperty) {
+                recordsData = this.recordData();
                 recordInstance = _.find(this.elems(), function (elem) {
                     return elem.index === index;
                 });
                 recordInstance.destroy();
                 this.elems([]);
                 this._updateCollection();
                 this.removeMaxPosition();
-                this.recordData()[recordInstance.index][this.deleteProperty] = this.deleteValue;
-                this.recordData.valueHasMutated();
+                recordsData[recordInstance.index][this.deleteProperty] = this.deleteValue;
+                this.recordData(recordsData);
                 this.reinitRecordData();
                 this.reload();
             } else {

dev/tests/js/jasmine/tests/app/code/Magento/Ui/base/js/dynamic-rows/dynamic.rows.test.js

@@ -62,15 +62,16 @@ define([
             var elems,
                 recordInstanceMock = new ElementMock(1),
                 elem2 = new ElementMock(2);
-
-            spyOn(recordInstanceMock, "destroy").toHaveBeenCalled();
+            spyOn(recordInstanceMock, "destroy");
+            model.recordData({1: {}});
             elems = [
                 recordInstanceMock,
                 elem2
             ];
             model.elems(elems);
             model.deleteProperty = true;
             model.deleteRecord(1, 1);
+            expect(model.recordData()).toEqual([]);
         });
     });
 });