Fix - Presto SQLAlchemy dialect did not implement get_view_names

[rad-pat]

Why are the changes needed?

Presto SQLAlchemy dialect did not implement the get_view_names method and resulted in an exception when trying to inspect the schema. This was discovered in Superset repo whilst trying to update the pandas package which now makes a call to get_view_names.

How was this patch tested?

Very basic Python tests have been added here, but all the SQLAlchemy dialects in this repo would benefit from running the full SQLAlchemy dialect test suite instead of these bespoke tests.

[pan3793]

It doesn't seem lucky, the change causes test failure. Could you take a look?

[rad-pat]

@pan3793, I have hopefully fixed it - I also extended the python range of tests to cover supported versions of Python, and bumped the package version in the hopes that a release could be made to PyPI when merged.

[rad-pat]

Looking at failures, new python versions failing because of old packages. The previous versions of python still failing for same reason, I thought I had fixed it, checking...

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 0.00%. Comparing base (ea75fa8) to head (c2d06f7).
⚠️ Report is 17 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master   #7190    +/-   ##
=======================================
  Coverage    0.00%   0.00%            
=======================================
  Files         695     696     +1     
  Lines       43433   43544   +111     
  Branches     5887    5891     +4     
=======================================
- Misses      43433   43544   +111     

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[rad-pat]

@pan3793 - definitely no broken Python tests now, I removed the addition of current Python versions as they fail because dependencies are not up to date with Python > 3.10. So, just the changes required and tests now working. 🤞 More work than I was hoping for.

[pan3793]

Thanks, merged to master