Add flags to bc_transaction_test.
Add flags to bc_transaction_test.

moocowmoo/pycoin,richardkiss/pycoin,pycoin/pycoin,shivaenigma/pycoin,zsulocal/pycoin,zsulocal/pycoin,mperklin/pycoin,richardkiss/pycoin,XertroV/pycoin,XertroV/pycoin,moocowmoo/pycoin,pycoin/pycoin,shivaenigma/pycoin,mperklin/pycoin