remove ad3 from tests for the moment.
remove ad3 from tests for the moment.

wattlebird/pystruct,amueller/pystruct,amueller/pystruct,pystruct/pystruct,wattlebird/pystruct,pystruct/pystruct,d-mittal/pystruct,massmutual/pystruct,massmutual/pystruct,d-mittal/pystruct