[ENH] Update registration modules

[gagnonanthony]

Type of improvement

• Documentation
• Development tools (e.g. linter, formatter, etc.)
• Development container
• Global update (please specify)
• Other (please specify)

Describe your improvement

Update registration modules with Alex's changes. #14

Also made several changes to the test data used to make the test runs faster.

Checklist before requesting a review

• Ensure the syntax is correct (EditorConfig and Prettier must pass)
• Run the test suites if your changes affect any module
• Regenerate the Poetry lock file if you have updated the dependencies
• Ensure the documentation is up-to-date

[arnaudbore]

GTG