Clear TestNode objects after shutdown
Clear TestNode objects after shutdown

TestNode objects need to be removed during shutdown, as setup_nodes does not
remove previous TestNode objects from previous test runs during setup.

namecoin/namecore,fujicoin/fujicoin,mruddy/bitcoin,ahmedbodi/vertcoin,anditto/bitcoin,jonasschnelli/bitcoin,bitcoin/bitcoin,ElementsProject/elements,GroestlCoin/GroestlCoin,sstone/bitcoin,EthanHeilman/bitcoin,kallewoof/bitcoin,pataquets/namecoin-core,n1bor/bitcoin,jamesob/bitcoin,kallewoof/bitcoin,MeshCollider/bitcoin,jamesob/bitcoin,jonasschnelli/bitcoin,jlopp/statoshi,n1bor/bitcoin,bitcoin/bitcoin,mitchellcash/bitcoin,mm-s/bitcoin,prusnak/bitcoin,rnicoll/bitcoin,GroestlCoin/bitcoin,vertcoin/vertcoin,EthanHeilman/bitcoin,anditto/bitcoin,bitcoinsSG/bitcoin,midnightmagic/bitcoin,jamesob/bitcoin,EthanHeilman/bitcoin,ElementsProject/elements,qtumproject/qtum,lateminer/bitcoin,instagibbs/bitcoin,andreaskern/bitcoin,prusnak/bitcoin,peercoin/peercoin,jambolo/bitcoin,namecoin/namecoin-core,bitcoinsSG/bitcoin,peercoin/peercoin,monacoinproject/monacoin,anditto/bitcoin,practicalswift/bitcoin,JeremyRubin/bitcoin,MarcoFalke/bitcoin,mruddy/bitcoin,tecnovert/particl-core,mitchellcash/bitcoin,domob1812/namecore,jnewbery/bitcoin,monacoinproject/monacoin,vertcoin/vertcoin,JeremyRubin/bitcoin,achow101/bitcoin,ajtowns/bitcoin,jonasschnelli/bitcoin,AkioNak/bitcoin,pataquets/namecoin-core,litecoin-project/litecoin,kallewoof/bitcoin,jambolo/bitcoin,DigitalPandacoin/pandacoin,particl/particl-core,peercoin/peercoin,domob1812/namecore,kallewoof/bitcoin,MarcoFalke/bitcoin,pataquets/namecoin-core,GroestlCoin/GroestlCoin,midnightmagic/bitcoin,jlopp/statoshi,tjps/bitcoin,vertcoin/vertcoin,anditto/bitcoin,sipsorcery/bitcoin,dscotese/bitcoin,cdecker/bitcoin,tecnovert/particl-core,tjps/bitcoin,sstone/bitcoin,rnicoll/dogecoin,sipsorcery/bitcoin,tjps/bitcoin,rnicoll/bitcoin,fujicoin/fujicoin,qtumproject/qtum,qtumproject/qtum,prusnak/bitcoin,Sjors/bitcoin,fanquake/bitcoin,apoelstra/bitcoin,pstratem/bitcoin,monacoinproject/monacoin,domob1812/namecore,monacoinproject/monacoin,n1bor/bitcoin,midnightmagic/bitcoin,Xekyo/bitcoin,Xekyo/bitcoin,fanquake/bitcoin,JeremyRubin/bitcoin,domob1812/bitcoin,prusnak/bitcoin,bitcoin/bitcoin,AkioNak/bitcoin,n1bor/bitcoin,pstratem/bitcoin,bitcoinknots/bitcoin,bitcoin/bitcoin,prusnak/bitcoin,mitchellcash/bitcoin,jlopp/statoshi,ElementsProject/elements,MarcoFalke/bitcoin,midnightmagic/bitcoin,lateminer/bitcoin,litecoin-project/litecoin,Sjors/bitcoin,domob1812/bitcoin,rnicoll/bitcoin,jamesob/bitcoin,DigitalPandacoin/pandacoin,GroestlCoin/bitcoin,sstone/bitcoin,achow101/bitcoin,fujicoin/fujicoin,sipsorcery/bitcoin,mm-s/bitcoin,domob1812/namecore,bitcoin/bitcoin,fanquake/bitcoin,fujicoin/fujicoin,qtumproject/qtum,lateminer/bitcoin,lateminer/bitcoin,dscotese/bitcoin,MeshCollider/bitcoin,litecoin-project/litecoin,namecoin/namecoin-core,alecalve/bitcoin,lateminer/bitcoin,bitcoinsSG/bitcoin,namecoin/namecore,mruddy/bitcoin,jlopp/statoshi,EthanHeilman/bitcoin,gjhiggins/vcoincore,GroestlCoin/GroestlCoin,jnewbery/bitcoin,particl/particl-core,cdecker/bitcoin,particl/particl-core,sstone/bitcoin,midnightmagic/bitcoin,pataquets/namecoin-core,DigitalPandacoin/pandacoin,instagibbs/bitcoin,particl/particl-core,MeshCollider/bitcoin,pstratem/bitcoin,ahmedbodi/vertcoin,jambolo/bitcoin,bitcoin/bitcoin,domob1812/namecore,apoelstra/bitcoin,yenliangl/bitcoin,lateminer/bitcoin,mm-s/bitcoin,alecalve/bitcoin,sstone/bitcoin,qtumproject/qtum,monacoinproject/monacoin,mitchellcash/bitcoin,JeremyRubin/bitcoin,namecoin/namecoin-core,practicalswift/bitcoin,fanquake/bitcoin,yenliangl/bitcoin,qtumproject/qtum,rnicoll/bitcoin,andreaskern/bitcoin,rnicoll/dogecoin,EthanHeilman/bitcoin,litecoin-project/litecoin,apoelstra/bitcoin,apoelstra/bitcoin,MeshCollider/bitcoin,particl/particl-core,qtumproject/qtum,sipsorcery/bitcoin,litecoin-project/litecoin,GroestlCoin/bitcoin,ahmedbodi/vertcoin,kallewoof/bitcoin,alecalve/bitcoin,bitcoinknots/bitcoin,vertcoin/vertcoin,n1bor/bitcoin,tecnovert/particl-core,bitcoinknots/bitcoin,pstratem/bitcoin,jnewbery/bitcoin,jambolo/bitcoin,domob1812/bitcoin,pstratem/bitcoin,namecoin/namecore,fanquake/bitcoin,midnightmagic/bitcoin,rnicoll/bitcoin,bitcoinknots/bitcoin,jnewbery/bitcoin,JeremyRubin/bitcoin,dscotese/bitcoin,instagibbs/bitcoin,alecalve/bitcoin,vertcoin/vertcoin,tjps/bitcoin,tecnovert/particl-core,achow101/bitcoin,Xekyo/bitcoin,GroestlCoin/bitcoin,jamesob/bitcoin,rnicoll/dogecoin,MeshCollider/bitcoin,DigitalPandacoin/pandacoin,ahmedbodi/vertcoin,peercoin/peercoin,andreaskern/bitcoin,ajtowns/bitcoin,yenliangl/bitcoin,yenliangl/bitcoin,monacoinproject/monacoin,pstratem/bitcoin,AkioNak/bitcoin,mruddy/bitcoin,bitcoinsSG/bitcoin,achow101/bitcoin,EthanHeilman/bitcoin,achow101/bitcoin,DigitalPandacoin/pandacoin,AkioNak/bitcoin,fanquake/bitcoin,apoelstra/bitcoin,ahmedbodi/vertcoin,domob1812/bitcoin,instagibbs/bitcoin,rnicoll/dogecoin,DigitalPandacoin/pandacoin,MarcoFalke/bitcoin,dscotese/bitcoin,instagibbs/bitcoin,JeremyRubin/bitcoin,tecnovert/particl-core,particl/particl-core,Xekyo/bitcoin,Sjors/bitcoin,tjps/bitcoin,ahmedbodi/vertcoin,ajtowns/bitcoin,achow101/bitcoin,anditto/bitcoin,mitchellcash/bitcoin,dscotese/bitcoin,fujicoin/fujicoin,domob1812/namecore,mm-s/bitcoin,namecoin/namecore,prusnak/bitcoin,bitcoinsSG/bitcoin,ElementsProject/elements,pataquets/namecoin-core,GroestlCoin/bitcoin,domob1812/bitcoin,jlopp/statoshi,andreaskern/bitcoin,peercoin/peercoin,ElementsProject/elements,sipsorcery/bitcoin,tjps/bitcoin,Xekyo/bitcoin,pataquets/namecoin-core,domob1812/bitcoin,fujicoin/fujicoin,apoelstra/bitcoin,Sjors/bitcoin,ajtowns/bitcoin,cdecker/bitcoin,mm-s/bitcoin,sipsorcery/bitcoin,GroestlCoin/GroestlCoin,instagibbs/bitcoin,tecnovert/particl-core,dscotese/bitcoin,jonasschnelli/bitcoin,namecoin/namecore,GroestlCoin/GroestlCoin,bitcoinknots/bitcoin,sstone/bitcoin,namecoin/namecoin-core,cdecker/bitcoin,namecoin/namecoin-core,rnicoll/bitcoin,MeshCollider/bitcoin,alecalve/bitcoin,AkioNak/bitcoin,vertcoin/vertcoin,namecoin/namecore,jnewbery/bitcoin,ElementsProject/elements,gjhiggins/vcoincore,anditto/bitcoin,mruddy/bitcoin,litecoin-project/litecoin,namecoin/namecoin-core,practicalswift/bitcoin,andreaskern/bitcoin,practicalswift/bitcoin,practicalswift/bitcoin,gjhiggins/vcoincore,jamesob/bitcoin,MarcoFalke/bitcoin,jambolo/bitcoin,yenliangl/bitcoin,AkioNak/bitcoin,Xekyo/bitcoin,cdecker/bitcoin,jlopp/statoshi,MarcoFalke/bitcoin,yenliangl/bitcoin,gjhiggins/vcoincore,Sjors/bitcoin,rnicoll/dogecoin,jambolo/bitcoin,GroestlCoin/bitcoin,gjhiggins/vcoincore,gjhiggins/vcoincore,andreaskern/bitcoin,mm-s/bitcoin,jonasschnelli/bitcoin,alecalve/bitcoin,cdecker/bitcoin,practicalswift/bitcoin,GroestlCoin/GroestlCoin,ajtowns/bitcoin,kallewoof/bitcoin,bitcoinsSG/bitcoin,mitchellcash/bitcoin,n1bor/bitcoin,peercoin/peercoin,ajtowns/bitcoin,mruddy/bitcoin