test: add coverage for -rpcwallet cli option
test: add coverage for -rpcwallet cli option

and add -getinfo coverage with multiple wallets loaded.

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