Code Coverage Improvements

[SecondeJK]

This PR reviews the Code Coverage and adds tests

Description

Tests have uncovered some bugs with unused features that may be useful in the future, such as auth handlers.

Motivation and Context

Improve quality of SDK

How Has This Been Tested?

New tests added to improve coverage.

Example Output or Screenshots (if appropriate):

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 code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.