Move CI tests from Travis to GitHub Actions.
Update tests to work with Pyramid 2.0 and APISpec > 4.0.
Run Black on tests folder.
Fix deprecation warning due to unescaped regex.
Update Python versions in package metadata (only added new ones, didn't remove older 2.x versions or 3.x that are no longer being tested).
Move CI tests from Travis to GitHub Actions. Update tests to work with Pyramid 2.0 and APISpec > 4.0. Run Black on
tests
folder. Fix deprecation warning due to unescaped regex. Update Python versions in package metadata (only added new ones, didn't remove older 2.x versions or 3.x that are no longer being tested).