added tests to http_loader, veryfing if redirects use correct cookies
added tests to http_loader, veryfing if redirects use correct cookies

paulrouget/servo,ConnorGBrewster/servo,sadmansk/servo,nrc/servo,emilio/servo,mattnenterprise/servo,canaltinova/servo,emilio/servo,emilio/servo,nnethercote/servo,larsbergstrom/servo,paulrouget/servo,avadacatavra/servo,mattnenterprise/servo,KiChjang/servo,anthgur/servo,eddyb/servo,DominoTree/servo,canaltinova/servo,mbrubeck/servo,pyfisch/servo,eddyb/servo,saneyuki/servo,rnestler/servo,saneyuki/servo,nrc/servo,emilio/servo,steveklabnik/servo,mattnenterprise/servo,thiagopnts/servo,nnethercote/servo,DominoTree/servo,steveklabnik/servo,mattnenterprise/servo,SimonSapin/servo,canaltinova/servo,anthgur/servo,notriddle/servo,cbrewster/servo,dati91/servo,saneyuki/servo,KiChjang/servo,nrc/servo,ConnorGBrewster/servo,jimberlage/servo,fiji-flo/servo,pyfisch/servo,jimberlage/servo,steveklabnik/servo,dati91/servo,notriddle/servo,dsandeephegde/servo,notriddle/servo,paulrouget/servo,eddyb/servo,dsandeephegde/servo,peterjoel/servo,dsandeephegde/servo,nnethercote/servo,jimberlage/servo,KiChjang/servo,pyfisch/servo,szeged/servo,SimonSapin/servo,KiChjang/servo,KiChjang/servo,splav/servo,pyfisch/servo,canaltinova/servo,mbrubeck/servo,saneyuki/servo,steveklabnik/servo,rnestler/servo,cbrewster/servo,eddyb/servo,nrc/servo,peterjoel/servo,avadacatavra/servo,SimonSapin/servo,pyfisch/servo,sadmansk/servo,canaltinova/servo,larsbergstrom/servo,jimberlage/servo,notriddle/servo,larsbergstrom/servo,KiChjang/servo,notriddle/servo,jimberlage/servo,larsbergstrom/servo,mattnenterprise/servo,SimonSapin/servo,avadacatavra/servo,jimberlage/servo,saneyuki/servo,notriddle/servo,eddyb/servo,cbrewster/servo,nrc/servo,DominoTree/servo,rnestler/servo,dati91/servo,KiChjang/servo,jimberlage/servo,paulrouget/servo,fiji-flo/servo,mbrubeck/servo,dati91/servo,SimonSapin/servo,upsuper/servo,SimonSapin/servo,paulrouget/servo,anthgur/servo,mbrubeck/servo,ConnorGBrewster/servo,szeged/servo,szeged/servo,paulrouget/servo,saneyuki/servo,upsuper/servo,CJ8664/servo,sadmansk/servo,anthgur/servo,mbrubeck/servo,ConnorGBrewster/servo,jimberlage/servo,eddyb/servo,notriddle/servo,ConnorGBrewster/servo,splav/servo,sadmansk/servo,splav/servo,splav/servo,thiagopnts/servo,peterjoel/servo,paulrouget/servo,dsandeephegde/servo,KiChjang/servo,splav/servo,pyfisch/servo,avadacatavra/servo,thiagopnts/servo,cbrewster/servo,emilio/servo,nnethercote/servo,cbrewster/servo,eddyb/servo,larsbergstrom/servo,emilio/servo,szeged/servo,eddyb/servo,anthgur/servo,larsbergstrom/servo,nnethercote/servo,rnestler/servo,rnestler/servo,peterjoel/servo,saneyuki/servo,nnethercote/servo,KiChjang/servo,rnestler/servo,emilio/servo,ConnorGBrewster/servo,dsandeephegde/servo,nrc/servo,steveklabnik/servo,CJ8664/servo,sadmansk/servo,fiji-flo/servo,CJ8664/servo,mbrubeck/servo,peterjoel/servo,peterjoel/servo,dati91/servo,DominoTree/servo,larsbergstrom/servo,mattnenterprise/servo,szeged/servo,ConnorGBrewster/servo,splav/servo,dsandeephegde/servo,fiji-flo/servo,nnethercote/servo,pyfisch/servo,mattnenterprise/servo,avadacatavra/servo,fiji-flo/servo,mbrubeck/servo,nrc/servo,saneyuki/servo,saneyuki/servo,larsbergstrom/servo,dsandeephegde/servo,DominoTree/servo,DominoTree/servo,CJ8664/servo,notriddle/servo,anthgur/servo,nnethercote/servo,ConnorGBrewster/servo,emilio/servo,thiagopnts/servo,avadacatavra/servo,upsuper/servo,thiagopnts/servo,anthgur/servo,peterjoel/servo,nnethercote/servo,splav/servo,DominoTree/servo,szeged/servo,cbrewster/servo,canaltinova/servo,SimonSapin/servo,rnestler/servo,upsuper/servo,DominoTree/servo,cbrewster/servo,szeged/servo,saneyuki/servo,notriddle/servo,pyfisch/servo,fiji-flo/servo,larsbergstrom/servo,upsuper/servo,paulrouget/servo,fiji-flo/servo,upsuper/servo,sadmansk/servo,CJ8664/servo,thiagopnts/servo,upsuper/servo,DominoTree/servo,CJ8664/servo,jimberlage/servo,thiagopnts/servo,splav/servo,peterjoel/servo,dati91/servo,pyfisch/servo,dati91/servo,avadacatavra/servo,steveklabnik/servo,CJ8664/servo,sadmansk/servo,paulrouget/servo,canaltinova/servo,szeged/servo,szeged/servo,rnestler/servo,larsbergstrom/servo,pyfisch/servo,dati91/servo,cbrewster/servo,DominoTree/servo,steveklabnik/servo,paulrouget/servo,nnethercote/servo,SimonSapin/servo,peterjoel/servo,mattnenterprise/servo,thiagopnts/servo,emilio/servo,mbrubeck/servo,szeged/servo,CJ8664/servo,dsandeephegde/servo,splav/servo,anthgur/servo,splav/servo,emilio/servo,avadacatavra/servo,canaltinova/servo,fiji-flo/servo,upsuper/servo,KiChjang/servo,sadmansk/servo,notriddle/servo,peterjoel/servo