[gfm mode] Fix broken test setup
[gfm mode] Fix broken test setup

wingify/CodeMirror,jayaprabhakar/CodeMirror,jkaplon/CodeMirror,MarcelGerber/CodeMirror,nightwing/CodeMirror,codio/CodeMirror,ficristo/CodeMirror,dperetti/CodeMirror,thomasjm/CodeMirror,hackmdio/CodeMirror,mtaran-google/CodeMirror,nightwing/CodeMirror,wingify/CodeMirror,thomasjm/CodeMirror,notepadqq/CodeMirror,jkaplon/CodeMirror,nightwing/CodeMirror,mtaran-google/CodeMirror,MarcelGerber/CodeMirror,pabloferz/CodeMirror,codio/CodeMirror,ficristo/CodeMirror,jayaprabhakar/CodeMirror,namin/CodeMirror,hackmdio/CodeMirror,SidPresse/CodeMirror,wingify/CodeMirror,jkaplon/CodeMirror,codio/CodeMirror,SidPresse/CodeMirror,dperetti/CodeMirror,pabloferz/CodeMirror,notepadqq/CodeMirror,SidPresse/CodeMirror,notepadqq/CodeMirror,hackmdio/CodeMirror,pabloferz/CodeMirror,namin/CodeMirror,jayaprabhakar/CodeMirror,ficristo/CodeMirror,dperetti/CodeMirror,MarcelGerber/CodeMirror,mtaran-google/CodeMirror,namin/CodeMirror,thomasjm/CodeMirror