Updated unit tests for parameter models
Updated unit tests for parameter models

iiman/mytardis,steveandroulakis/mytardis,iiman/mytardis,steveandroulakis/mytardis,iiman/mytardis,steveandroulakis/mytardis,pansapiens/mytardis,pansapiens/mytardis,pansapiens/mytardis,pansapiens/mytardis