Update test-suite #251

There will need to be some changes made to reflect the development of this package for geozarr inlcusion:

• adapt function calls/parameters where needed
• provide more sample .json datasets for validating different products
• provide updated sample datasets in tests/_test_data/optimized_geozarr_examples: ->
• provide updated and zarr v3 sample datasets in tests/_test_data/s2_examples