Quote path in postgres uri.
Use pytest checkout
Make the bdd plugin work better with current pytest.
Mark edw_file tests for easier selection.
Replace the data fixture connection swapping with proactive setup/teardown of test layers.
This ensures that only the required fixtures are in place while tests run.
Refactor fixtures/tests to use layers.
Add test for fetching items over http server using testapp (mostly for testing the test fixture.
Add extra weight to slow test fixtures.