Add tests for `cms.forms`.
Add tests for `cms.forms`.

lewiscollard/cms,danielsamuels/cms,jamesfoley/cms,lewiscollard/cms,jamesfoley/cms,dan-gamble/cms,dan-gamble/cms,dan-gamble/cms,danielsamuels/cms,danielsamuels/cms,jamesfoley/cms,jamesfoley/cms,lewiscollard/cms