[tests] Fix flake8 warnings in invalidtxrequest
[tests] Fix flake8 warnings in invalidtxrequest

EthanHeilman/bitcoin,practicalswift/bitcoin,pataquets/namecoin-core,lbryio/lbrycrd,sebrandon1/bitcoin,FeatherCoin/Feathercoin,rnicoll/dogecoin,droark/bitcoin,namecoin/namecoin-core,vertcoin/vertcoin,BTCGPU/BTCGPU,bitcoin/bitcoin,Bushstar/UFO-Project,afk11/bitcoin,namecoin/namecore,namecoin/namecore,joshrabinowitz/bitcoin,wellenreiter01/Feathercoin,Xekyo/bitcoin,qtumproject/qtum,andreaskern/bitcoin,jnewbery/bitcoin,qtumproject/qtum,BTCGPU/BTCGPU,jmcorgan/bitcoin,GlobalBoost/GlobalBoost,donaloconnor/bitcoin,r8921039/bitcoin,RHavar/bitcoin,achow101/bitcoin,anditto/bitcoin,instagibbs/bitcoin,JeremyRubin/bitcoin,Flowdalic/bitcoin,Xekyo/bitcoin,GlobalBoost/GlobalBoost,donaloconnor/bitcoin,vmp32k/litecoin,Sjors/bitcoin,Bushstar/UFO-Project,jnewbery/bitcoin,CryptArc/bitcoin,DigitalPandacoin/pandacoin,qtumproject/qtum,digibyte/digibyte,kallewoof/bitcoin,MarcoFalke/bitcoin,apoelstra/bitcoin,sstone/bitcoin,kazcw/bitcoin,randy-waterhouse/bitcoin,anditto/bitcoin,andreaskern/bitcoin,stamhe/bitcoin,TheBlueMatt/bitcoin,fanquake/bitcoin,dscotese/bitcoin,GroestlCoin/GroestlCoin,namecoin/namecore,Flowdalic/bitcoin,andreaskern/bitcoin,ericshawlinux/bitcoin,domob1812/huntercore,Kogser/bitcoin,untrustbank/litecoin,domob1812/huntercore,guncoin/guncoin,ajtowns/bitcoin,ajtowns/bitcoin,ryanofsky/bitcoin,tecnovert/particl-core,lateminer/bitcoin,AkioNak/bitcoin,jonasschnelli/bitcoin,GroestlCoin/bitcoin,ElementsProject/elements,GroestlCoin/GroestlCoin,jlopp/statoshi,CryptArc/bitcoin,h4x3rotab/BTCGPU,GlobalBoost/GlobalBoost,midnightmagic/bitcoin,litecoin-project/litecoin,midnightmagic/bitcoin,nikkitan/bitcoin,mm-s/bitcoin,stamhe/bitcoin,donaloconnor/bitcoin,ryanofsky/bitcoin,thrasher-/litecoin,instagibbs/bitcoin,sstone/bitcoin,thrasher-/litecoin,rnicoll/bitcoin,namecoin/namecoin-core,droark/bitcoin,jonasschnelli/bitcoin,tjps/bitcoin,kallewoof/bitcoin,anditto/bitcoin,Flowdalic/bitcoin,MeshCollider/bitcoin,rnicoll/bitcoin,monacoinproject/monacoin,namecoin/namecoin-core,instagibbs/bitcoin,particl/particl-core,kazcw/bitcoin,myriadcoin/myriadcoin,nikkitan/bitcoin,DigitalPandacoin/pandacoin,pstratem/bitcoin,fanquake/bitcoin,alecalve/bitcoin,MeshCollider/bitcoin,mm-s/bitcoin,jamesob/bitcoin,wellenreiter01/Feathercoin,untrustbank/litecoin,qtumproject/qtum,CryptArc/bitcoin,Kogser/bitcoin,namecoin/namecore,FeatherCoin/Feathercoin,lateminer/bitcoin,thrasher-/litecoin,andreaskern/bitcoin,litecoin-project/litecoin,vmp32k/litecoin,digibyte/digibyte,n1bor/bitcoin,EthanHeilman/bitcoin,andreaskern/bitcoin,tecnovert/particl-core,GroestlCoin/GroestlCoin,particl/particl-core,Bushstar/UFO-Project,BTCGPU/BTCGPU,practicalswift/bitcoin,bitcoinsSG/bitcoin,lbryio/lbrycrd,thrasher-/litecoin,paveljanik/bitcoin,domob1812/huntercore,domob1812/bitcoin,bitcoinsSG/bitcoin,litecoin-project/litecoin,mitchellcash/bitcoin,sipsorcery/bitcoin,droark/bitcoin,cdecker/bitcoin,GlobalBoost/GlobalBoost,h4x3rotab/BTCGPU,donaloconnor/bitcoin,mitchellcash/bitcoin,vertcoin/vertcoin,rnicoll/dogecoin,droark/bitcoin,thrasher-/litecoin,namecoin/namecoin-core,globaltoken/globaltoken,vmp32k/litecoin,jtimon/bitcoin,GlobalBoost/GlobalBoost,Kogser/bitcoin,FeatherCoin/Feathercoin,Kogser/bitcoin,mruddy/bitcoin,rawodb/bitcoin,domob1812/namecore,jtimon/bitcoin,DigitalPandacoin/pandacoin,RHavar/bitcoin,joshrabinowitz/bitcoin,r8921039/bitcoin,nikkitan/bitcoin,mm-s/bitcoin,bespike/litecoin,Kogser/bitcoin,mruddy/bitcoin,domob1812/huntercore,fanquake/bitcoin,jmcorgan/bitcoin,ryanofsky/bitcoin,Bushstar/UFO-Project,ajtowns/bitcoin,Xekyo/bitcoin,untrustbank/litecoin,n1bor/bitcoin,bitcoinsSG/bitcoin,wellenreiter01/Feathercoin,MeshCollider/bitcoin,pataquets/namecoin-core,prusnak/bitcoin,ahmedbodi/vertcoin,n1bor/bitcoin,fanquake/bitcoin,GroestlCoin/GroestlCoin,ahmedbodi/vertcoin,Christewart/bitcoin,dscotese/bitcoin,monacoinproject/monacoin,vertcoin/vertcoin,GroestlCoin/bitcoin,namecoin/namecore,AkioNak/bitcoin,ryanofsky/bitcoin,untrustbank/litecoin,guncoin/guncoin,sebrandon1/bitcoin,jnewbery/bitcoin,Christewart/bitcoin,alecalve/bitcoin,joshrabinowitz/bitcoin,wellenreiter01/Feathercoin,bitcoinsSG/bitcoin,sipsorcery/bitcoin,andreaskern/bitcoin,AkioNak/bitcoin,particl/particl-core,OmniLayer/omnicore,afk11/bitcoin,MeshCollider/bitcoin,stamhe/bitcoin,kazcw/bitcoin,MarcoFalke/bitcoin,fujicoin/fujicoin,mm-s/bitcoin,jamesob/bitcoin,sipsorcery/bitcoin,fujicoin/fujicoin,kallewoof/bitcoin,FeatherCoin/Feathercoin,digibyte/digibyte,RHavar/bitcoin,CryptArc/bitcoin,jambolo/bitcoin,practicalswift/bitcoin,myriadteam/myriadcoin,myriadteam/myriadcoin,myriadteam/myriadcoin,untrustbank/litecoin,ElementsProject/elements,lbryio/lbrycrd,rawodb/bitcoin,rnicoll/bitcoin,achow101/bitcoin,stamhe/bitcoin,EthanHeilman/bitcoin,sstone/bitcoin,bitcoin/bitcoin,GroestlCoin/bitcoin,lbryio/lbrycrd,afk11/bitcoin,apoelstra/bitcoin,achow101/bitcoin,bitcoinknots/bitcoin,vmp32k/litecoin,practicalswift/bitcoin,JeremyRubin/bitcoin,cdecker/bitcoin,TheBlueMatt/bitcoin,domob1812/bitcoin,rawodb/bitcoin,droark/bitcoin,nikkitan/bitcoin,vmp32k/litecoin,peercoin/peercoin,cdecker/bitcoin,bitcoinknots/bitcoin,cdecker/bitcoin,namecoin/namecoin-core,mruddy/bitcoin,OmniLayer/omnicore,anditto/bitcoin,ElementsProject/elements,r8921039/bitcoin,guncoin/guncoin,JeremyRubin/bitcoin,anditto/bitcoin,r8921039/bitcoin,ericshawlinux/bitcoin,rawodb/bitcoin,ElementsProject/elements,anditto/bitcoin,lateminer/bitcoin,jtimon/bitcoin,CryptArc/bitcoin,bitcoinsSG/bitcoin,lbryio/lbrycrd,domob1812/namecore,mitchellcash/bitcoin,ahmedbodi/vertcoin,domob1812/bitcoin,litecoin-project/litecoin,mruddy/bitcoin,gjhiggins/vcoincore,gjhiggins/vcoincore,yenliangl/bitcoin,instagibbs/bitcoin,afk11/bitcoin,Sjors/bitcoin,rawodb/bitcoin,domob1812/bitcoin,litecoin-project/litecoin,r8921039/bitcoin,gjhiggins/vcoincore,instagibbs/bitcoin,apoelstra/bitcoin,peercoin/peercoin,digibyte/digibyte,nikkitan/bitcoin,prusnak/bitcoin,fanquake/bitcoin,RHavar/bitcoin,sebrandon1/bitcoin,monacoinproject/monacoin,jambolo/bitcoin,EthanHeilman/bitcoin,tjps/bitcoin,randy-waterhouse/bitcoin,peercoin/peercoin,peercoin/peercoin,litecoin-project/litecoin,prusnak/bitcoin,BTCGPU/BTCGPU,droark/bitcoin,jamesob/bitcoin,OmniLayer/omnicore,prusnak/bitcoin,rnicoll/bitcoin,afk11/bitcoin,TheBlueMatt/bitcoin,jambolo/bitcoin,lbryio/lbrycrd,ericshawlinux/bitcoin,jamesob/bitcoin,kallewoof/bitcoin,JeremyRubin/bitcoin,Christewart/bitcoin,kazcw/bitcoin,ElementsProject/elements,jonasschnelli/bitcoin,tjps/bitcoin,GroestlCoin/bitcoin,jnewbery/bitcoin,rnicoll/dogecoin,rnicoll/dogecoin,randy-waterhouse/bitcoin,GroestlCoin/bitcoin,thrasher-/litecoin,achow101/bitcoin,randy-waterhouse/bitcoin,Bushstar/UFO-Project,bitcoinsSG/bitcoin,jambolo/bitcoin,JeremyRubin/bitcoin,stamhe/bitcoin,bitcoinknots/bitcoin,domob1812/namecore,myriadteam/myriadcoin,rnicoll/dogecoin,namecoin/namecore,pataquets/namecoin-core,vmp32k/litecoin,domob1812/huntercore,nikkitan/bitcoin,jlopp/statoshi,sstone/bitcoin,untrustbank/litecoin,lateminer/bitcoin,AkioNak/bitcoin,namecoin/namecoin-core,ahmedbodi/vertcoin,tjps/bitcoin,tecnovert/particl-core,domob1812/namecore,myriadcoin/myriadcoin,TheBlueMatt/bitcoin,donaloconnor/bitcoin,sebrandon1/bitcoin,Bushstar/UFO-Project,tjps/bitcoin,Sjors/bitcoin,yenliangl/bitcoin,jmcorgan/bitcoin,RHavar/bitcoin,jlopp/statoshi,bitcoin/bitcoin,joshrabinowitz/bitcoin,kazcw/bitcoin,h4x3rotab/BTCGPU,Kogser/bitcoin,cdecker/bitcoin,tecnovert/particl-core,AkioNak/bitcoin,jnewbery/bitcoin,particl/particl-core,jtimon/bitcoin,cdecker/bitcoin,instagibbs/bitcoin,yenliangl/bitcoin,sebrandon1/bitcoin,pataquets/namecoin-core,kazcw/bitcoin,midnightmagic/bitcoin,myriadteam/myriadcoin,vertcoin/vertcoin,lateminer/bitcoin,dscotese/bitcoin,pataquets/namecoin-core,bespike/litecoin,globaltoken/globaltoken,MarcoFalke/bitcoin,globaltoken/globaltoken,ahmedbodi/vertcoin,TheBlueMatt/bitcoin,rnicoll/bitcoin,jtimon/bitcoin,Xekyo/bitcoin,paveljanik/bitcoin,myriadcoin/myriadcoin,paveljanik/bitcoin,gjhiggins/vcoincore,peercoin/peercoin,jtimon/bitcoin,guncoin/guncoin,Xekyo/bitcoin,jambolo/bitcoin,n1bor/bitcoin,gjhiggins/vcoincore,Flowdalic/bitcoin,ryanofsky/bitcoin,ElementsProject/elements,Kogser/bitcoin,sipsorcery/bitcoin,prusnak/bitcoin,FeatherCoin/Feathercoin,qtumproject/qtum,bespike/litecoin,fujicoin/fujicoin,joshrabinowitz/bitcoin,fujicoin/fujicoin,ajtowns/bitcoin,guncoin/guncoin,Sjors/bitcoin,qtumproject/qtum,n1bor/bitcoin,alecalve/bitcoin,n1bor/bitcoin,pstratem/bitcoin,jonasschnelli/bitcoin,OmniLayer/omnicore,fujicoin/fujicoin,GroestlCoin/bitcoin,sstone/bitcoin,domob1812/bitcoin,midnightmagic/bitcoin,DigitalPandacoin/pandacoin,GlobalBoost/GlobalBoost,GlobalBoost/GlobalBoost,h4x3rotab/BTCGPU,Xekyo/bitcoin,ajtowns/bitcoin,myriadteam/myriadcoin,bitcoinknots/bitcoin,Kogser/bitcoin,globaltoken/globaltoken,apoelstra/bitcoin,CryptArc/bitcoin,pstratem/bitcoin,MarcoFalke/bitcoin,jamesob/bitcoin,particl/particl-core,myriadcoin/myriadcoin,qtumproject/qtum,mitchellcash/bitcoin,afk11/bitcoin,ericshawlinux/bitcoin,apoelstra/bitcoin,fujicoin/fujicoin,EthanHeilman/bitcoin,bitcoinknots/bitcoin,wellenreiter01/Feathercoin,joshrabinowitz/bitcoin,ryanofsky/bitcoin,MeshCollider/bitcoin,mruddy/bitcoin,randy-waterhouse/bitcoin,h4x3rotab/BTCGPU,Christewart/bitcoin,bespike/litecoin,domob1812/namecore,guncoin/guncoin,midnightmagic/bitcoin,h4x3rotab/BTCGPU,digibyte/digibyte,alecalve/bitcoin,tjps/bitcoin,fanquake/bitcoin,myriadcoin/myriadcoin,rnicoll/bitcoin,paveljanik/bitcoin,DigitalPandacoin/pandacoin,rawodb/bitcoin,mitchellcash/bitcoin,GroestlCoin/GroestlCoin,achow101/bitcoin,r8921039/bitcoin,kallewoof/bitcoin,sstone/bitcoin,domob1812/huntercore,mm-s/bitcoin,FeatherCoin/Feathercoin,alecalve/bitcoin,practicalswift/bitcoin,mitchellcash/bitcoin,vertcoin/vertcoin,monacoinproject/monacoin,sipsorcery/bitcoin,jamesob/bitcoin,lateminer/bitcoin,yenliangl/bitcoin,DigitalPandacoin/pandacoin,practicalswift/bitcoin,tecnovert/particl-core,pataquets/namecoin-core,randy-waterhouse/bitcoin,bespike/litecoin,donaloconnor/bitcoin,EthanHeilman/bitcoin,jmcorgan/bitcoin,ericshawlinux/bitcoin,wellenreiter01/Feathercoin,MarcoFalke/bitcoin,midnightmagic/bitcoin,ericshawlinux/bitcoin,tecnovert/particl-core,jmcorgan/bitcoin,myriadcoin/myriadcoin,Flowdalic/bitcoin,pstratem/bitcoin,domob1812/namecore,yenliangl/bitcoin,monacoinproject/monacoin,Kogser/bitcoin,paveljanik/bitcoin,JeremyRubin/bitcoin,digibyte/digibyte,BTCGPU/BTCGPU,sipsorcery/bitcoin,bitcoin/bitcoin,globaltoken/globaltoken,peercoin/peercoin,ajtowns/bitcoin,paveljanik/bitcoin,jmcorgan/bitcoin,MarcoFalke/bitcoin,Sjors/bitcoin,jonasschnelli/bitcoin,OmniLayer/omnicore,jlopp/statoshi,achow101/bitcoin,BTCGPU/BTCGPU,stamhe/bitcoin,ahmedbodi/vertcoin,vertcoin/vertcoin,sebrandon1/bitcoin,dscotese/bitcoin,gjhiggins/vcoincore,bitcoin/bitcoin,prusnak/bitcoin,mruddy/bitcoin,jambolo/bitcoin,RHavar/bitcoin,jlopp/statoshi,Christewart/bitcoin,kallewoof/bitcoin,pstratem/bitcoin,GroestlCoin/GroestlCoin,lbryio/lbrycrd,bespike/litecoin,Flowdalic/bitcoin,dscotese/bitcoin,particl/particl-core,Christewart/bitcoin,MeshCollider/bitcoin,mm-s/bitcoin,Kogser/bitcoin,domob1812/bitcoin,dscotese/bitcoin,OmniLayer/omnicore,jlopp/statoshi,Kogser/bitcoin,bitcoin/bitcoin,apoelstra/bitcoin,alecalve/bitcoin,AkioNak/bitcoin,pstratem/bitcoin,globaltoken/globaltoken,Kogser/bitcoin,yenliangl/bitcoin,monacoinproject/monacoin,TheBlueMatt/bitcoin