zmq test: deduplicate test setup code (node restart, topics subscription)
zmq test: deduplicate test setup code (node restart, topics subscription)

apoelstra/bitcoin,bitcoinsSG/bitcoin,achow101/bitcoin,qtumproject/qtum,pstratem/bitcoin,GroestlCoin/GroestlCoin,pstratem/bitcoin,domob1812/namecore,pataquets/namecoin-core,Xekyo/bitcoin,sipsorcery/bitcoin,jlopp/statoshi,cdecker/bitcoin,prusnak/bitcoin,Xekyo/bitcoin,MarcoFalke/bitcoin,bitcoinsSG/bitcoin,particl/particl-core,Xekyo/bitcoin,rnicoll/bitcoin,jnewbery/bitcoin,namecoin/namecore,practicalswift/bitcoin,namecoin/namecore,n1bor/bitcoin,tecnovert/particl-core,fanquake/bitcoin,fanquake/bitcoin,jamesob/bitcoin,bitcoin/bitcoin,JeremyRubin/bitcoin,ajtowns/bitcoin,sstone/bitcoin,sstone/bitcoin,ajtowns/bitcoin,jamesob/bitcoin,Sjors/bitcoin,pataquets/namecoin-core,GroestlCoin/bitcoin,AkioNak/bitcoin,jamesob/bitcoin,AkioNak/bitcoin,jnewbery/bitcoin,achow101/bitcoin,dscotese/bitcoin,EthanHeilman/bitcoin,cdecker/bitcoin,EthanHeilman/bitcoin,bitcoinknots/bitcoin,fanquake/bitcoin,particl/particl-core,dscotese/bitcoin,bitcoinknots/bitcoin,MarcoFalke/bitcoin,ElementsProject/elements,jnewbery/bitcoin,dscotese/bitcoin,domob1812/namecore,ElementsProject/elements,tecnovert/particl-core,rnicoll/bitcoin,namecoin/namecoin-core,pataquets/namecoin-core,namecoin/namecoin-core,MeshCollider/bitcoin,qtumproject/qtum,apoelstra/bitcoin,bitcoinsSG/bitcoin,MarcoFalke/bitcoin,n1bor/bitcoin,andreaskern/bitcoin,namecoin/namecore,domob1812/bitcoin,qtumproject/qtum,kallewoof/bitcoin,anditto/bitcoin,fanquake/bitcoin,kallewoof/bitcoin,bitcoin/bitcoin,bitcoin/bitcoin,jamesob/bitcoin,yenliangl/bitcoin,MeshCollider/bitcoin,anditto/bitcoin,jamesob/bitcoin,tecnovert/particl-core,namecoin/namecoin-core,andreaskern/bitcoin,AkioNak/bitcoin,prusnak/bitcoin,lateminer/bitcoin,mm-s/bitcoin,Sjors/bitcoin,rnicoll/bitcoin,pstratem/bitcoin,mruddy/bitcoin,MeshCollider/bitcoin,fujicoin/fujicoin,MeshCollider/bitcoin,mm-s/bitcoin,Sjors/bitcoin,domob1812/bitcoin,yenliangl/bitcoin,sipsorcery/bitcoin,apoelstra/bitcoin,domob1812/bitcoin,GroestlCoin/bitcoin,bitcoinsSG/bitcoin,mruddy/bitcoin,bitcoin/bitcoin,AkioNak/bitcoin,apoelstra/bitcoin,yenliangl/bitcoin,anditto/bitcoin,GroestlCoin/GroestlCoin,prusnak/bitcoin,particl/particl-core,instagibbs/bitcoin,kallewoof/bitcoin,pstratem/bitcoin,jambolo/bitcoin,Xekyo/bitcoin,GroestlCoin/GroestlCoin,domob1812/namecore,n1bor/bitcoin,namecoin/namecoin-core,practicalswift/bitcoin,GroestlCoin/GroestlCoin,anditto/bitcoin,cdecker/bitcoin,jambolo/bitcoin,GroestlCoin/bitcoin,lateminer/bitcoin,qtumproject/qtum,sstone/bitcoin,practicalswift/bitcoin,EthanHeilman/bitcoin,JeremyRubin/bitcoin,cdecker/bitcoin,lateminer/bitcoin,mruddy/bitcoin,domob1812/namecore,namecoin/namecoin-core,jambolo/bitcoin,mruddy/bitcoin,andreaskern/bitcoin,achow101/bitcoin,yenliangl/bitcoin,JeremyRubin/bitcoin,JeremyRubin/bitcoin,bitcoin/bitcoin,yenliangl/bitcoin,tecnovert/particl-core,sstone/bitcoin,domob1812/namecore,dscotese/bitcoin,cdecker/bitcoin,fanquake/bitcoin,sipsorcery/bitcoin,GroestlCoin/bitcoin,ElementsProject/elements,GroestlCoin/GroestlCoin,Xekyo/bitcoin,MarcoFalke/bitcoin,apoelstra/bitcoin,Sjors/bitcoin,ajtowns/bitcoin,instagibbs/bitcoin,namecoin/namecore,lateminer/bitcoin,instagibbs/bitcoin,mm-s/bitcoin,ElementsProject/elements,jlopp/statoshi,JeremyRubin/bitcoin,EthanHeilman/bitcoin,GroestlCoin/GroestlCoin,kallewoof/bitcoin,achow101/bitcoin,instagibbs/bitcoin,instagibbs/bitcoin,lateminer/bitcoin,yenliangl/bitcoin,qtumproject/qtum,MeshCollider/bitcoin,lateminer/bitcoin,JeremyRubin/bitcoin,mm-s/bitcoin,fanquake/bitcoin,jlopp/statoshi,sstone/bitcoin,achow101/bitcoin,jnewbery/bitcoin,kallewoof/bitcoin,prusnak/bitcoin,ElementsProject/elements,AkioNak/bitcoin,anditto/bitcoin,GroestlCoin/bitcoin,apoelstra/bitcoin,rnicoll/bitcoin,sipsorcery/bitcoin,namecoin/namecore,MarcoFalke/bitcoin,GroestlCoin/bitcoin,jambolo/bitcoin,pataquets/namecoin-core,sstone/bitcoin,anditto/bitcoin,rnicoll/bitcoin,mruddy/bitcoin,domob1812/bitcoin,namecoin/namecore,achow101/bitcoin,MeshCollider/bitcoin,andreaskern/bitcoin,pataquets/namecoin-core,MarcoFalke/bitcoin,n1bor/bitcoin,AkioNak/bitcoin,cdecker/bitcoin,fujicoin/fujicoin,particl/particl-core,prusnak/bitcoin,ajtowns/bitcoin,bitcoinsSG/bitcoin,Sjors/bitcoin,fujicoin/fujicoin,sipsorcery/bitcoin,mm-s/bitcoin,kallewoof/bitcoin,n1bor/bitcoin,domob1812/bitcoin,ajtowns/bitcoin,andreaskern/bitcoin,prusnak/bitcoin,fujicoin/fujicoin,ElementsProject/elements,tecnovert/particl-core,practicalswift/bitcoin,instagibbs/bitcoin,pataquets/namecoin-core,particl/particl-core,jamesob/bitcoin,jambolo/bitcoin,rnicoll/bitcoin,mruddy/bitcoin,andreaskern/bitcoin,jlopp/statoshi,jambolo/bitcoin,Xekyo/bitcoin,EthanHeilman/bitcoin,bitcoinknots/bitcoin,namecoin/namecoin-core,tecnovert/particl-core,qtumproject/qtum,jlopp/statoshi,fujicoin/fujicoin,bitcoinknots/bitcoin,dscotese/bitcoin,dscotese/bitcoin,EthanHeilman/bitcoin,mm-s/bitcoin,pstratem/bitcoin,fujicoin/fujicoin,particl/particl-core,jlopp/statoshi,jnewbery/bitcoin,bitcoinsSG/bitcoin,sipsorcery/bitcoin,bitcoin/bitcoin,n1bor/bitcoin,practicalswift/bitcoin,practicalswift/bitcoin,pstratem/bitcoin,domob1812/namecore,qtumproject/qtum,domob1812/bitcoin,bitcoinknots/bitcoin,ajtowns/bitcoin