ACP2E-64: Bundle Products Special Price Column in Grid should have % sign not currency sign

- Fixed the PAT build failure.

Author: devarul

app/code/Magento/Bundle/Test/Mftf/Test/AdminBundleProductPriceSymbolValidationInGridTest.xml

@@ -34,7 +34,7 @@
             <actionGroup ref="ToggleAdminProductGridColumnsDropdownActionGroup" stepKey="closeColumnsDropdownSpecialPrice"/>
             <!-- It takes a few seconds for column update to be saved -->
             <!-- waitForPageLoad won't work here since saving is happening with a short delay -->
-            <wait time="5" stepKey="waitForColumnUpdateToSave"/>
+            <wait time="5" stepKey="waitForColumnUpdateToSave"/> 
         </before>
         <after>
             <!-- Navigate to catalog product grid page -->