common: fix formatting directives in tests
common: fix formatting directives in tests

Fixes the following vet reports:

common/step_create_floppy_test.go:79: possible formatting directive in Fatal call
common/step_create_floppy_test.go:89: possible formatting directive in Fatal call
common/step_create_floppy_test.go:180: possible formatting directive in Fatal call
common/step_create_floppy_test.go:190: possible formatting directive in Fatal call

boumenot/packer,monkeylittleinc/packer,pecigonzalo/packer,smaato/packer,mohae/packer,pecigonzalo/packer,gbarberi/packer,KohlsTechnology/packer,jonathankarsh/packer,mwhooker/packer,pieter-lazzaro/packer,bradparks/packer__create_vm_for_aws_docker_vagrant_etc,smaato/packer,hashicorp/packer,dayglojesus/packer,mvanholsteijn/packer,mwhooker/packer,bhcleek/packer,monkeylittleinc/packer,zakuro9715/packer,timsutton/packer,mitchellh/packer,pieter-lazzaro/packer,ricardclau/packer,ChrisLundquist/packer,ChrisLundquist/packer,sgirones/packer,dayglojesus/packer,henrysher/packer,p1-nico/packer,atlassian/packer,sgirones/packer,life360/packer,ricardclau/packer,zhuzhih2017/packer,threatstream/packer,Akasurde/packer,danschaffer/packer,tracyde/packer,arizvisa/packer,youhong316/packer,jean/packer,BayanGroup/packer,avldya/packer,avldya/packer,mvanholsteijn/packer,routelastresort/packer,paulvollmer/packer,jasonchaffee/packer,c22/packer,napramirez/packer,aneeshusa/packer,ricardclau/packer,DualSpark/packer,ephemeralsnow/packer,atlassian/packer,jmptrader/packer,threatstream/packer,kpettijohn/packer,jsternberg/packer,shaunduncan/packer,arizvisa/packer,bensojona/packer,beni55/packer,visioncritical/packer,bryson/packer,samdunne/packer,bhcleek/packer,hashicorp/packer,jimmythedog/packer,c22/packer,jsternberg/packer,cyberhouse/packer,dragon788/packer,leroux/packer,monsterzz/packer,dantran/packer,pvandervelde/packer,jgkim/packer,manicai/packer,pearkes/packer,rickard-von-essen/packer,ttaylor249/packer,marklap/packer,quantang/packer,mohae/packer,rrva/packer,mansunkuo/packer,pearkes/packer,jsternberg/packer,Cbeck527/packer,boumenot/packer,mefellows/packer,esemplare/packer,zakuro9715/packer,aneeshusa/packer,fnoeding/packer,jamesbishopp/packer,timsutton/packer,rrva/packer,arizvisa/packer,youhong316/packer,rnaveiras/packer,grange74/packer,bryson/packer,legal90/packer,timsutton/packer,tas50/packer,masbog/packer,Cbeck527/packer,p1-nico/packer,hasJackb/packer,higebu/packer,marc-ta/packer,jszwedko/packer,styro/packer,ricardclau/packer,btd/packer,youhong316/packer,grubernaut/packer,ChrisLundquist/packer,youhong316/packer,LinusU/packer,jimmythedog/packer,btd/packer,eranchetz/packer,grubernaut/packer,eranchetz/packer,paulmey/packer,dantran/packer,gbarberi/packer,Sheile/packer,noplay/packer,timsutton/packer,rickard-von-essen/packer,bryson/packer,sequenceiq/packer,napramirez/packer,israelshirk/packer,mkuzmin/packer,avldya/packer,tsmolka/packer,danschaffer/packer,life360/packer,sequenceiq/packer,hashicorp/packer,c22/packer,Silver90/packer,kpettijohn/packer,mvanholsteijn/packer,dev-head/packer,monkeylittleinc/packer,ricardclau/packer,avldya/packer,ephemeralsnow/packer,p1-nico/packer,yonglehou/packer,samdunne/packer,jamesleech/packer,cyberhouse/packer,jszwedko/packer,mkuzmin/packer,feateds/packer,jean/packer,oliviertremblay/packer,vtolstov/packer,yoctocloud/packer,hasJackb/packer,justincampbell/packer,fnoeding/packer,tsmolka/packer,Sheile/packer,orivej/packer,quantang/packer,umang1912/packer,grange74/packer,Xiol/packer,mansunkuo/packer,jamesleech/packer,bradparks/packer__create_vm_for_aws_docker_vagrant_etc,LinusU/packer,yonglehou/packer,mayflower/packer,tracyde/packer,jsternberg/packer,Cbeck527/packer,p1-nico/packer,Silver90/packer,grubernaut/packer,ricardclau/packer,yoctocloud/packer,gildas/packer-hyperv,ldejager/packer,blairham/packer,umang1912/packer,samdunne/packer,sgirones/packer,hazelesque/packer,jgkim/packer,dantran/packer,dave2/packer,marc-ta/packer,sean-/packer,grubernaut/packer,uber/packer,burnzy/packer,evertrue/packer,marklap/packer,sean-/packer,ephemeralsnow/packer,pvanbuijtene/packer,icnocop/packer,jgkim/packer,tb3088/packer,blairham/packer,mafrosis/packer,blairham/packer,vtolstov/packer,zeliff/packer,threatstream/packer,rickard-von-essen/packer,zeliff/packer,taliesins/packer,ChrisLundquist/packer,paulmey/packer,mohae/packer,mkuzmin/packer,jszwedko/packer,taliesins/packer,rk295/packer,mohae/packer,fnoeding/packer,jamesleech/packer,blairham/packer,dragon788/packer,markpeek/packer,feateds/packer,gbarberi/packer,jasonchaffee/packer,sansb/packer,Akasurde/packer,dave2/packer,hazelesque/packer,bensojona/packer,mgk/packer,jen20/packer,henrysher/packer,sgirones/packer,henrysher/packer,jamesleech/packer,mgk/packer,yoctocloud/packer,bhcleek/packer,ttaylor249/packer,paulmey/packer,lantrix/packer,dave2/packer,bensojona/packer,Akasurde/packer,jean/packer,routelastresort/packer,DualSpark/packer,KFishner/packer,rickard-von-essen/packer,sean-/packer,jae2/packer,rnaveiras/packer,ttaylor249/packer,beni55/packer,tas50/packer,AlphaStaxLLC/packer,youhong316/packer,hasJackb/packer,marc-ta/packer,smaato/packer,BayanGroup/packer,Akasurde/packer,dev-head/packer,shaunduncan/packer,rnaveiras/packer,pieter-lazzaro/packer,BayanGroup/packer,routelastresort/packer,higebu/packer,rk295/packer,smaato/packer,atlassian/packer,jarl-dk/packer,ldejager/packer,samdunne/packer,LinusU/packer,sansb/packer,shaunduncan/packer,justincampbell/packer,trumant/packer,aneeshusa/packer,zakuro9715/packer,tsmolka/packer,trumant/packer,taliesins/packer,sansb/packer,btd/packer,mayflower/packer,mwhooker/packer,esemplare/packer,dragon788/packer,mgk/packer,monsterzz/packer,arizvisa/packer,DualSpark/packer,dayglojesus/packer,dieu/packer,Akasurde/packer,bradparks/packer__create_vm_for_aws_docker_vagrant_etc,uber/packer,bryson/packer,atlassian/packer,jamesbishopp/packer,rickard-von-essen/packer,sean-/packer,rk295/packer,danschaffer/packer,lantrix/packer,Xiol/packer,legal90/packer,zhuzhih2017/packer,jarl-dk/packer,Silver90/packer,gbarberi/packer,justincampbell/packer,icnocop/packer,bryson/packer,ChrisLundquist/packer,threatstream/packer,mefellows/packer,mwhooker/packer,jonathankarsh/packer,evertrue/packer,mgk/packer,life360/packer,paulmey/packer,vtolstov/packer,mafrosis/packer,uber/packer,vtolstov/packer,visioncritical/packer,monkeylittleinc/packer,hazelesque/packer,sansb/packer,yoctocloud/packer,gildas/packer-hyperv,atlassian/packer,tsmolka/packer,pvandervelde/packer,styro/packer,styro/packer,leroux/packer,mitchellh/packer,AlphaStaxLLC/packer,noplay/packer,tomwilkie/packer,mitchellh/packer,tomwilkie/packer,zakuro9715/packer,mayflower/packer,atlassian/packer,lantrix/packer,rodm/packer,markpeek/packer,monsterzz/packer,markpeek/packer,yoctocloud/packer,rnaveiras/packer,tb3088/packer,masbog/packer,KohlsTechnology/packer,stagrlee/packer,marklap/packer,jszwedko/packer,noplay/packer,zhuzhih2017/packer,Silver90/packer,yonglehou/packer,hashicorp/packer,p1-nico/packer,leroux/packer,sobrinho/packer,bensojona/packer,paulmey/packer,mansunkuo/packer,tb3088/packer,jasonchaffee/packer,markpeek/packer,life360/packer,rnaveiras/packer,pearkes/packer,Cbeck527/packer,routelastresort/packer,rrva/packer,tracyde/packer,Cbeck527/packer,youhong316/packer,mitchellh/packer,paulmey/packer,KohlsTechnology/packer,bryson/packer,grubernaut/packer,Xiol/packer,zeliff/packer,danschaffer/packer,jasonchaffee/packer,grange74/packer,rk295/packer,noplay/packer,KFishner/packer,tas50/packer,jae2/packer,oliviertremblay/packer,sequenceiq/packer,c22/packer,marc-ta/packer,dave2/packer,paulvollmer/packer,dieu/packer,pieter-lazzaro/packer,dev-head/packer,bhcleek/packer,umang1912/packer,taliesins/packer,sneal/packer,jen20/packer,quantang/packer,mafrosis/packer,rodm/packer,aneeshusa/packer,uber/packer,monsterzz/packer,pvandervelde/packer,oliviertremblay/packer,timsutton/packer,dantran/packer,sneal/packer,bhcleek/packer,KFishner/packer,dantran/packer,ChrisLundquist/packer,tas50/packer,icnocop/packer,napramirez/packer,tsmolka/packer,evertrue/packer,shaunduncan/packer,tas50/packer,rrva/packer,pvandervelde/packer,AlphaStaxLLC/packer,manicai/packer,tomwilkie/packer,manicai/packer,pecigonzalo/packer,pearkes/packer,pvanbuijtene/packer,jarl-dk/packer,legal90/packer,styro/packer,boumenot/packer,icnocop/packer,masbog/packer,tb3088/packer,ldejager/packer,jae2/packer,jmptrader/packer,kpettijohn/packer,stagrlee/packer,higebu/packer,mvanholsteijn/packer,evertrue/packer,visioncritical/packer,LinusU/packer,ephemeralsnow/packer,masbog/packer,gildas/packer-hyperv,dieu/packer,mefellows/packer,bradparks/packer__create_vm_for_aws_docker_vagrant_etc,mkuzmin/packer,AlphaStaxLLC/packer,leroux/packer,routelastresort/packer,monkeylittleinc/packer,threatstream/packer,quantang/packer,jgkim/packer,eranchetz/packer,zhuzhih2017/packer,feateds/packer,marklap/packer,zhuzhih2017/packer,tsmolka/packer,oliviertremblay/packer,kgrvamsi/packer,napramirez/packer,cyberhouse/packer,jmptrader/packer,jonathankarsh/packer,taliesins/packer,lantrix/packer,higebu/packer,jen20/packer,israelshirk/packer,Sheile/packer,esemplare/packer,pvanbuijtene/packer,orivej/packer,boumenot/packer,danschaffer/packer,orivej/packer,hazelesque/packer,mafrosis/packer,tb3088/packer,sobrinho/packer,c22/packer,legal90/packer,orivej/packer,mansunkuo/packer,trumant/packer,jen20/packer,ephemeralsnow/packer,tas50/packer,mayflower/packer,pvandervelde/packer,mefellows/packer,life360/packer,jimmythedog/packer,zhuzhih2017/packer,dayglojesus/packer,pvanbuijtene/packer,jonathankarsh/packer,mwhooker/packer,quantang/packer,kpettijohn/packer,DualSpark/packer,rodm/packer,visioncritical/packer,legal90/packer,jimmythedog/packer,jimmythedog/packer,vtolstov/packer,ttaylor249/packer,hasJackb/packer,jen20/packer,boumenot/packer,sneal/packer,KohlsTechnology/packer,kgrvamsi/packer,KFishner/packer,tb3088/packer,yonglehou/packer,sean-/packer,dieu/packer,pecigonzalo/packer,tomwilkie/packer,mkuzmin/packer,stagrlee/packer,tracyde/packer,burnzy/packer,BayanGroup/packer,timsutton/packer,esemplare/packer,icnocop/packer,jarl-dk/packer,beni55/packer,burnzy/packer,grange74/packer,higebu/packer,dragon788/packer,mafrosis/packer,rodm/packer,smaato/packer,markpeek/packer,Xiol/packer,israelshirk/packer,trumant/packer,grange74/packer,btd/packer,kgrvamsi/packer,samdunne/packer,paulvollmer/packer,cyberhouse/packer,mansunkuo/packer,smaato/packer,mohae/packer,sequenceiq/packer,feateds/packer,stagrlee/packer,KohlsTechnology/packer,kgrvamsi/packer,henrysher/packer,sobrinho/packer,rnaveiras/packer,dayglojesus/packer,KohlsTechnology/packer,taliesins/packer,c22/packer,manicai/packer,Sheile/packer,p1-nico/packer,arizvisa/packer,zeliff/packer,grubernaut/packer,esemplare/packer,jmptrader/packer,ldejager/packer,israelshirk/packer,gildas/packer-hyperv,mayflower/packer,sean-/packer,jasonchaffee/packer,pieter-lazzaro/packer,paulvollmer/packer,pvandervelde/packer,fnoeding/packer,jamesbishopp/packer,sneal/packer,jen20/packer,beni55/packer,dev-head/packer,jamesbishopp/packer,dave2/packer,justincampbell/packer,jae2/packer,arizvisa/packer,sobrinho/packer,pieter-lazzaro/packer,ttaylor249/packer,mkuzmin/packer,jean/packer,mitchellh/packer,umang1912/packer,eranchetz/packer,markpeek/packer,sneal/packer,dave2/packer,pvanbuijtene/packer,burnzy/packer