ACP2E-2909: dynamic-rows.js:658 Uncaught TypeError: dataRecord.slice while editing bundle products

 - Fixed the static test failure.

Author: devarul

app/code/Magento/Bundle/view/adminhtml/web/js/components/bundle-dynamic-rows-grid.js

@@ -184,8 +184,9 @@ define([
          * @param {Array} data
          * @param {Array} newData
          */
-        parseProcessingAddChild: function(data, newData) {
+        parseProcessingAddChild: function (data, newData) {
             let recordIndex;
+
             recordIndex = data.length - newData.length - 1;
             if (!isNaN(recordIndex)) {
                 _.each(newData, function (newRecord) {

dev/tests/js/jasmine/tests/app/code/Magento/Bundle/adminhtml/js/components/bundle-dynamic-rows-grid.test.js

@@ -7,7 +7,7 @@
  */
 /*eslint max-nested-callbacks: 0*/
 define(['Magento_Bundle/js/components/bundle-dynamic-rows-grid'],
-    function(BundleDynamicRowsGrid) {
+    function (BundleDynamicRowsGrid) {
         'use strict';
 
         describe('Magento_Bundle/js/components/bundle-dynamic-rows-grid', function () {
@@ -17,10 +17,9 @@ define(['Magento_Bundle/js/components/bundle-dynamic-rows-grid'],
                 dynamicRowsGrid = new BundleDynamicRowsGrid();
             });
 
-            describe('test parseProcessingAddChild method', function() {
+            describe('test parseProcessingAddChild method', function () {
                 it('Check the processingAddChild method should call when recordIndex is a valid number', function () {
-                    let data = [4];
-                    let newData = [4];
+                    let data = [4], newData = [4];
 
                     spyOn(dynamicRowsGrid, 'processingAddChild').and.callThrough();
 
@@ -29,16 +28,16 @@ define(['Magento_Bundle/js/components/bundle-dynamic-rows-grid'],
                     expect(dynamicRowsGrid.processingAddChild).toHaveBeenCalled();
                 });
 
-                it('Check the processingAddChild method should not call when recordIndex is inValid number', function () {
-                    let data = NaN;
-                    let newData = [2];
+                it('Check the processingAddChild method should not call when recordIndex is inValid number',
+                    function () {
+                        let data = NaN, newData = [2];
 
-                    spyOn(dynamicRowsGrid, 'processingAddChild').and.callThrough();
+                        spyOn(dynamicRowsGrid, 'processingAddChild').and.callThrough();
 
-                    dynamicRowsGrid.parseProcessingAddChild(data, newData);
+                        dynamicRowsGrid.parseProcessingAddChild(data, newData);
 
-                    expect(dynamicRowsGrid.processingAddChild).not.toHaveBeenCalled();
-                });
+                        expect(dynamicRowsGrid.processingAddChild).not.toHaveBeenCalled();
+                    });
             });
         });
     });