test(mobile): basic e2e tests (#8031)

fix AF-1289

1. tested on 'webkit'
2. a few baseline test cases

packages/frontend/core/src/modules/explorer/views/layouts/collapsible-section.tsx

@@ -81,6 +81,7 @@ export const CollapsibleSection = ({
         {mobile ? null : actions}
       </CategoryDivider>
       <Collapsible.Content
+        data-testid="collapsible-section-content"
         className={clsx(mobile ? mobileContent : content, contentClassName)}
       >
         {children}