Fix #3208, use explicit site argument for  PageManager's published method
Merge pull request #3209 from johnraz/Issue3208PageManagerPublishedFix

Fix #3208, use explicit site argument for  PageManager's published method
Fix #3208
updated testing docs
Update testing.rst

I won't ever learn English.
Merge pull request #3218 from yakky/feature/pin_reversion

Pin reversion
Merge pull request #3215 from ojii/3214-testing-docs

updated testing docs
Add test for view_url render_model attribute
Fix view_url render_model attribute