fix(react-popover): fix failing cypress test

Author: PaulGMardling

packages/react-components/react-popover/library/src/components/Popover/Popover.cy.tsx

@@ -13,7 +13,7 @@ const mount = (element: JSXElement) => {
 };
 
 const popoverTriggerSelector = '[aria-expanded]';
-const popoverContentSelector = '[role="group"]';
+const popoverContentSelector = '.fui-PopoverSurface';
 const popoverInteractiveContentSelector = '[role="dialog"]';
 
 describe('Popover', () => {