Disable WebGL tests.
Disable WebGL tests.

They're not stable enough right now, with no expectation of improvement
any time soon.

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