Fixed test failure, where the url tag did not allow extended Jinja2 syntax like filters to be used.
Fixed test failure, where the url tag did not allow extended Jinja2
syntax like filters to be used.

The strange thing is that I don't see how that text could ever have
passed. We've apparently always used parse_primary() in the url tag so far.

rossowl/coffin,akx/coffin,rossowl/coffin