@override_settings(DEV=True)
def test_rv_prefix(self, render_mock):
    "Prefixed oldversion shouldn't impact version sniffing."
    req = self.rf.get('/en-US/firefox/whatsnew/?oldversion=rv:10.0')
    self.view(req, version='33.1')
    template = render_mock.call_args[0][1]
    eq_(template, ['firefox/privacy_tour/tour.html'])
Prefixed oldversion shouldn't impact version sniffing.
@override_settings(DEV=True)
def test_rv_prefix(self, render_mock):
    
    req = self.rf.get('/en-US/firefox/whatsnew/?oldversion=rv:10.0')
    self.view(req, version='33.1')
    template = render_mock.call_args[0][1]
    eq_(template, ['firefox/privacy_tour/tour.html'])