add "&" to test case

Author: Nazar65

dev/tests/js/jasmine/tests/app/code/Magento/ConfigurableProduct/view/adminhtml/web/js/components/dynamic-rows-configurable.test.js

@@ -27,7 +27,7 @@ define([
                 mockData = [
                 {
                     attributes: 'Color: dsfsd',
-                    sku: 'Conf-sdfs'
+                    sku: 'Conf&-sdfs'
                 },
                 {
                     attributes: 'Color: sdfs',