test: disable babel build for tests and simplify jest config

[armano2]

disable babel build for tests and simplify jest config

Description

Motivation and Context

Reduce amount of changes required during migration of packages and simplifies addition of new tests for untested packages

Usage examples

How Has This Been Tested?

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing tests passed.