test: add missing BOOST_ASSERT
test: add missing BOOST_ASSERT

this was missed in the original PR

ajtowns/bitcoin,jamesob/bitcoin,fanquake/bitcoin,Xekyo/bitcoin,fujicoin/fujicoin,jamesob/bitcoin,mruddy/bitcoin,kallewoof/bitcoin,namecoin/namecoin-core,ajtowns/bitcoin,namecoin/namecoin-core,jambolo/bitcoin,jambolo/bitcoin,lateminer/bitcoin,particl/particl-core,bitcoinsSG/bitcoin,mruddy/bitcoin,AkioNak/bitcoin,jamesob/bitcoin,Xekyo/bitcoin,namecoin/namecoin-core,sipsorcery/bitcoin,jamesob/bitcoin,jambolo/bitcoin,mruddy/bitcoin,kallewoof/bitcoin,Xekyo/bitcoin,namecoin/namecoin-core,AkioNak/bitcoin,lateminer/bitcoin,tecnovert/particl-core,AkioNak/bitcoin,namecoin/namecoin-core,kallewoof/bitcoin,particl/particl-core,jamesob/bitcoin,fanquake/bitcoin,sstone/bitcoin,bitcoin/bitcoin,sstone/bitcoin,bitcoinsSG/bitcoin,AkioNak/bitcoin,mruddy/bitcoin,fujicoin/fujicoin,fujicoin/fujicoin,sipsorcery/bitcoin,jambolo/bitcoin,ajtowns/bitcoin,sipsorcery/bitcoin,bitcoin/bitcoin,fanquake/bitcoin,bitcoinsSG/bitcoin,fujicoin/fujicoin,mruddy/bitcoin,ajtowns/bitcoin,namecoin/namecore,namecoin/namecore,sipsorcery/bitcoin,fujicoin/fujicoin,Xekyo/bitcoin,tecnovert/particl-core,namecoin/namecore,bitcoin/bitcoin,particl/particl-core,kallewoof/bitcoin,particl/particl-core,tecnovert/particl-core,particl/particl-core,sstone/bitcoin,namecoin/namecore,namecoin/namecore,lateminer/bitcoin,bitcoinsSG/bitcoin,bitcoinsSG/bitcoin,tecnovert/particl-core,sstone/bitcoin,namecoin/namecoin-core,sipsorcery/bitcoin,sstone/bitcoin,kallewoof/bitcoin,jambolo/bitcoin,bitcoinsSG/bitcoin,particl/particl-core,namecoin/namecore,tecnovert/particl-core,Xekyo/bitcoin,sstone/bitcoin,fanquake/bitcoin,jambolo/bitcoin,mruddy/bitcoin,lateminer/bitcoin,jamesob/bitcoin,fujicoin/fujicoin,kallewoof/bitcoin,bitcoin/bitcoin,AkioNak/bitcoin,lateminer/bitcoin,fanquake/bitcoin,ajtowns/bitcoin,ajtowns/bitcoin,Xekyo/bitcoin,bitcoin/bitcoin,AkioNak/bitcoin,tecnovert/particl-core,sipsorcery/bitcoin,fanquake/bitcoin,lateminer/bitcoin,bitcoin/bitcoin