add tests for some accessibility props (facebook#51155)

Summary:
Pull Request resolved: facebook#51155

changelog: [internal]

we have experienced breakages where we stopped propagating accessibility prop to the mounting layer. These tests should catch it.

Reviewed By: fabriziocucci

Differential Revision: D74317767

fbshipit-source-id: 72c6d8c788afe3a9d4d41f7cfc0aa37605b20b6a

Author: sammy-SC