[Feature request] - Separate CAD test files

[alexvalentine94]

Is your feature request related to a problem? Please describe.

At the moment the geouned test files need some restructuring. There is a collection of several step files.

Describe the solution you'd like

Move to a separate repo and use submodules to call these files that are used in the code testing.

Describe alternatives you've considered

Keeping as currently.

Additional context

Neater and easier for others to contribute test cases.