minion: Migrate ip package tests to testify/assert
minion: Migrate ip package tests to testify/assert

quilt/quilt,kelda/kelda,stevenlin598/quilt,kayousterhout/quilt,PenguinToast/quilt,stevenlin598/quilt,NetSys/quilt,LuiseV/quilt,NetSys/quilt,LuiseV/quilt,kklin/quilt,kelda/kelda,kelda/kelda,mmussomele/quilt,tejasmanohar/quilt,mmussomele/quilt,stevenlin598/quilt,kklin/kelda,quilt/quilt,NetSys/quilt,kklin/kelda,mmussomele/quilt,ejj/quilt-dev,kayousterhout/quilt,LuiseV/quilt,ejj/quilt-dev,stevenlin598/quilt,quilt/quilt,kelda/kelda,PenguinToast/quilt,ejj/quilt-dev,tejasmanohar/quilt,kklin/kelda,kayousterhout/quilt,mmussomele/quilt,stevenlin598/quilt,PenguinToast/quilt,PenguinToast/quilt,tejasmanohar/quilt,tejasmanohar/quilt,kayousterhout/quilt,NetSys/quilt,NetSys/quilt,kklin/quilt,mmussomele/quilt,stevenlin598/quilt,kklin/quilt,kklin/quilt,LuiseV/quilt,LuiseV/quilt,ejj/quilt-dev,PenguinToast/quilt,mmussomele/quilt,quilt/quilt,kklin/kelda