Redesign Test Generator

[hattan]

Redesign and architect Test Generator based on recent changes to Bicep.

Ensure that new design factors in edge cases that are mentioned in the Issue References section below.

A.C.

• Document and outline a new design for the Test Generator and ensure design document is checked into the repo.
• Ensure design is validated by the larger team via a design session.

Issue References:
https://github.com/Azure/benchpress/issues?q=is%3Aissue+is%3Aclosed+closed%3A%3E2023-06-15