tests: Add fuzzing coverage for CHECK_NONFATAL(...)
tests: Add fuzzing coverage for CHECK_NONFATAL(...)

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