[PP-1] Add test coverage for Experience builder AI submodule.

Overview

#3522013: External AI Chatbot Functionality Implemented the AI feature in Experience and does not have test coverage in it.After discussion with @lauriii and @tim.plunkett we agreed to the point that we can create a follow-up for the tests so that we can merge the functionality MR unblocking the other work that is dependent on that issue.

Proposed resolution

User interface changes