Add tests for `cms.pipeline`.
Add tests for `cms.pipeline`.

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