Summary:
- Opens the Alternative menu by right click at application launcher
- Select the Alternatives option
- Select the Application menu
- Switches to Application menu
- Check if the menu style has changed

Test Plan: Test is not working properly under plasma desktop suite

Reviewers: bshah, sitter, O5 neon

Reviewed By: sitter

Differential Revision: https://phabricator.kde.org/D13410