tests: remove unused image fixture
tests: remove unused image fixture

closes #2091

nodejs-camp/booklog-jason,auth0/express,stewartml/express,blakeembrey/express,evilboss/express,kylezhang/express,strongloop/express,junxiong/express,swarajgiri/express,nodejs-camp/booklog-archer,pstrike/express,LestaD/express,dreamingblackcat/express,dieuly/express,cflynn07/express,Ju2ender/express,friederbluemle/express,dsupera13/express,vinodhalaharvi/express,philxia/ex-tst-framework,nodejs-camp/booklog-s890506,jenalgit/express,evilboss/express,fineday32/express,XueQian/express,weilixia/express,dafabulousteach/express,mauricionr/express,flomotlik/express,mimaidms/express,luxe-eng/valet-express.express,Ivanwangcy/express,dotnetCarpenter/express,Lexine/express,HXYNODE/express,jimmykuo/express,simudream/express,nbeydoon/express,saisai/express,Matrixbirds/express,PUSEN/express,bercanozcan/express,sibura/express,jenia0jenia/express,lmtdit/express,r14r/fork_express_master,samuelcastro/express,featurist/express,juanpastas/express,kunalpict/express,wtony/express,nodejs-camp/booklog-ansaga,nodejs-camp/booklog-linkchen,michaeljunlove/express,xiaofuzi/express,hanqingnan/express,ralic/express,leiqiang75/express,topaxi/express,supasate/express,vinodhalaharvi/express,ci-test2/express,micha149/express,dreamingblackcat/express,nodejs-camp/booklog-s890506,stoskov/express,awronka/express,fuse-mars/express,auth0/express,ralic/express,dieuly/express,abhi3/express,sarvex/express,abdulhannanali/express,buildsample/express,topaxi/express,juandav/express,maraoz/express,bjrmatos/express,r14r-work/fork_express_master,RickyDan/express,smcmurray/express,philxia/ex-tst-framework,WangCao/express,stewartml/express,nbeydoon/express,kubrickology/express,wesleytodd/express,nodejs-camp/booklog-mora,tjmehta/express,1amageek/express,micha149/express,mikewesthad/express,nodejs-camp/booklog-jason,nodejs-camp/booklog-polo,simudream/express,jinghuizhai/express,neomadara/express,codeforgeek/express,expressjs/express,heicx/express,lmtdit/express,MoraLin/mora-test,yinhe007/express,kylezhang/express,KodkodGates/express,dotnetCarpenter/express,tyler-johnson/express,benshiue/booklog-ben,vnglst/express,friederbluemle/express,r14r-work/fork_express_master,dsupera13/express,junxiong/express,philxia/ex-tst-framework,mauricionr/express,FernAbby/express,hacksparrow/express,angelsanz/express,fuse-mars/express,hightechweb/express,Talkyunyun/express,nodejs-camp/booklog-archer,nodejs-camp/booklog-leo,lian774739140/express,srichatala/express,listepo/express,nodejs-camp/booklog-ausir,countdracular/express,cflynn07/express,pstrike/express,Jonekee/express,svnh/express,heicx/express,chrisinajar/express,fineday32/express,youprofit/express,stoskov/express,fanzetao/express,igarciaes/express,ahdinosaur/express,dongooo/express,llwanghong/express,andriyl/express,drzorm/express,mcanthony/express,kylezhang/express,nodejs-camp/booklog-polo,microlv/express,maraoz/express,dongseop/express,christopheranderson/express,ericlu88/express,WangCao/express,stevemao/express,Kevnz/express,sarvex/express,v10258/express,pshomov/express,kubrickology/express,nodejs-camp/booklog-ben,evanlucas/express,xtidt/express,wesleytodd/express,qq645381995/express,smcmurray/express,gnowoel/express,abdulhannanali/express,nodejs-camp/booklog-leo,dgofman/express,nodejs-camp/booklog-Zak,nodejs-camp/booklog-tonebeta,buildsample/express,bercanozcan/express,caiocutrim/express,dongseop/express,YR/express,PeterWangPo/express,swstack/express,nodejs-camp/booklog-mora,michaeljunlove/express,kunalpict/express,jymsy/express,hpcslag/express,caiocutrim/express,XueQian/express,supasate/express,corporateanon/express,featurist/express,fakedarren/express,Faiz7412/express,expressjs/express,ci-test2/express,ZackBotkin/express,supasate/express,gnowoel/express,igarciaes/express,hdngr/express,nodejs-camp/booklog-linkchen,microlv/express,blairzhang/express,devgeniem/express,aifeld/express,simudream/express,angelsanz/express,methuz/express,benshiue/booklog-ben,vnglst/express,grigorkh/express,jenia0jenia/express,drzorm/express,PUSEN/express,baldurh/express,elkingtonmcb/express,stewartml/express,TestingCI/express,Ivanwangcy/express,XueQian/express,lemelon/express,llwanghong/express,hdngr/express,FernAbby/express,weilixia/express,leiqiang75/express,chrisinajar/express,buildsample/express,1amageek/express,hpcslag/express,corporateanon/express,nodejs-camp/booklog-polo,abhi3/express,BaggersIO/express,lian774739140/express,danielrohers/express,PeterWangPo/express,chuym/express,flomotlik/express,neomadara/express,VegeChou/express,swarajgiri/express,angelsanz/express,MoraLin/mora-test,Flip120/express,hightechweb/express,mimaidms/express,CrazySherman/express,BaggersIO/express,philxia/ex-tst-framework,lmtdit/express,andriyl/express,1verson/express,qq645381995/express,demohi/express,WebStyle/express,hdngr/express,vidyar/express,dongooo/express,thepont/express,Faiz7412/express,nodejs-camp/booklog-chenyou,RickyDan/express,gretac/express,xtidt/express,michaeljunlove/express,Riokai/express,Haru1990/express,dotnetCarpenter/express,junxiong/express,hl198181/express,za-creature/express,grigorkh/express,Matrixbirds/express,nodejs-camp/booklog-homa,qq645381995/express,blakeembrey/express,christopheranderson/express,nbeydoon/express,blairzhang/express,JulyZhu/express,strongloop/express,jinghuizhai/express,countdracular/express,tyler-johnson/express,shanawarkhan/express,nodejs-camp/booklog-ausir,vidyar/express,Flip120/express,za-creature/express,fakedarren/express,robomc/express,za-creature/express,nodejs-camp/booklog-jollen,rupanjanbaidya/express,pathirana/express,chrisinajar/express,stoskov/express,blainsmith/express,nathan818fr/express,vinodhalaharvi/express,coreypnorris/express,svnh/express,nodejs-camp/booklog-tonebeta-update,VegeChou/express,samuelcastro/express,gnowoel/express,topaxi/express,pshomov/express,wtony/express,HXYNODE/express,jimmykuo/express,nodejs-camp/booklog-Zak,jenia0jenia/express,dgofman/express,r14r/fork_express_master,xiaofuzi/express,stevemao/express,udhayam/express,hl198181/express,Riokai/express,nodejs-camp/booklog-ben,sujianping/express,Faiz7412/express,robomc/express,devgeniem/express,Ju2ender/express,adjohnson916/express,TestingCI/express,smcmurray/express,Lexine/express,Eric-Vandenberg/express,pathirana/express,featurist/express,bercanozcan/express,jenalgit/express,mcanthony/express,nodejs-camp/booklog-chle,hacksparrow/express,Ju2ender/express,v10258/express,Eric-Vandenberg/express,svnh/express,shanawarkhan/express,kunalpict/express,corporateanon/express,tianhengzhou/express,ericlu88/express,ZackBotkin/express,saisai/express,Eric-Vandenberg/express,gretac/express,fakedarren/express,Kevnz/express,nodejs-camp/booklog-chenyou,hanqingnan/express,ahdinosaur/express,ifraixedes/express,lemelon/express,codeforgeek/express,maraoz/express,abhi3/express,WebStyle/express,youprofit/express,devgeniem/express,tianhengzhou/express,jymsy/express,simplyianm/express,WangCao/express,Flip120/express,KodkodGates/express,adjohnson916/express,blairzhang/express,friederbluemle/express,TestingCI/express,JulyZhu/express,juandav/express,elkingtonmcb/express,fanzetao/express,udhayam/express,sarvex/express,ci-test2/express,abdulhannanali/express,rupanjanbaidya/express,dafabulousteach/express,baldurh/express,tjmehta/express,vidyar/express,wtony/express,coreypnorris/express,evilboss/express,bjrmatos/express,1amageek/express,nodejs-camp/booklog-tonebeta,nodejs-camp/booklog-chle,v10258/express,ifraixedes/express,nodejs-camp/booklog-ansaga,nathan818fr/express,vnglst/express,ZackBotkin/express,emvici/emvici-reqres-tify,sujianping/express,Haru1990/express,1verson/express,thepont/express,aifeld/express,danielrohers/express,yinhe007/express,evanlucas/express,simplyianm/express,Riokai/express,LestaD/express,youprofit/express,awronka/express,blakeembrey/express,dreamingblackcat/express,qitianchan/express,jinghuizhai/express,luxe-eng/valet-express.express,LestaD/express,juanpastas/express,RanadeepPolavarapu/express,blainsmith/express,CrazySherman/express,listepo/express,chuym/express,dongseop/express,swarajgiri/express,stevemao/express,hpcslag/express,demohi/express,mikewesthad/express,hanweifish/express,jenalgit/express,sibura/express,Talkyunyun/express,nodejs-camp/booklog-homa,srichatala/express,nodejs-camp/booklog-tonebeta-update,nodejs-camp/booklog-jollen,BaggersIO/express,swstack/express,listepo/express,coreypnorris/express,grigorkh/express,dafabulousteach/express,KodkodGates/express,qitianchan/express,luxe-eng/valet-express.express,RanadeepPolavarapu/express,xiaofuzi/express,YR/express,qitianchan/express,hanweifish/express,Jonekee/express,methuz/express