test: also check disconnect in denialofservice_tests/peer_discouragement
test: also check disconnect in denialofservice_tests/peer_discouragement

Use `CConnmanTest` instead of `CConnman` and add the nodes to it
so that their `fDisconnect` flag is set during disconnection.

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