Improve a form test by using immutable QueryDict as data.
Improve a form test by using immutable QueryDict as data.

bobsilverberg/moztrap,mccarrmb/moztrap,mccarrmb/moztrap,mccarrmb/moztrap,shinglyu/moztrap,mozilla/moztrap,bobsilverberg/moztrap,bobsilverberg/moztrap,mccarrmb/moztrap,shinglyu/moztrap,mccarrmb/moztrap,shinglyu/moztrap,shinglyu/moztrap,mozilla/moztrap,mozilla/moztrap,mozilla/moztrap,mozilla/moztrap,shinglyu/moztrap,bobsilverberg/moztrap