[Haml] Make TemplateTest run with the latest edge Rails.
[Haml] Make TemplateTest run with the latest edge Rails.

ridixcr/sass,cmpereirasi/sass,amitsuroliya/sass,Ahnita/sass,keithpitty/haml,Ahnita/sass,haml/haml,srinivashappy/sass,liquidmetal/sass,macressler/haml,xzyfer/sass,xzyfer/sass,Industrys/sass,Nzaga/sass,MetaAshley/sass,MetaAshley/sass,tangposmarvin/sass,chriseppstein/haml,JuanitoFatas/sass,hcatlin/sass,liquidmetal/sass,StephanieMak/sass,stewx/sass,nickg33/sass,macressler/haml,nickg33/sass,zaru/sass,DanteKaris/sass,tangposmarvin/sass,amatsuda/haml,dg1dd1ngs/haml,modulexcite/sass,Galactix/sass,rammy7219/sass,briangonzalez/sass,Nzaga/sass,danielfein/sass,14113/sass,sideci-sample/sideci-sample-haml,chriseppstein/sass,Anshdesire/sass,baiyanghese/sass,uniba/hamldoc_ja,tenderlove/sass,nazar-pc/haml,tangposmarvin/haml,cmpereirasi/sass,zaru/sass,dylannnn/sass,rammy7219/sass,antonifs/sass,stewx/sass,Galactix/sass,askl56/sass,amitsuroliya/sass,hcatlin/sass,saper/sass,PMArtz92/sass,srinivashappy/sass,nicklima/sass,keithpitty/haml,dylannnn/sass,antonifs/sass,schneems/sass,PMArtz92/sass,jaroot32/sass,danielfein/sass,JuanitoFatas/sass,stanhu/haml,nazar-pc/haml,dg1dd1ngs/haml,tangposmarvin/haml,haml/haml,modulexcite/sass,Industrys/sass,HugoRLopes/sass,Anshdesire/sass,srawlins/sass,concord-consortium/haml,Iamronan/sass,Andrey-Pavlov/sass,ridixcr/sass,schneems/sass,Iamronan/sass,askl56/sass,saper/sass,Andrey-Pavlov/sass,srawlins/sass,chriseppstein/haml,lmetla/sass,stanhu/haml,oss-practice/sass,nicklima/sass,HugoRLopes/sass,haml/haml,jaroot32/sass,OrenBochman/sass,haml/haml,OrenBochman/sass,StephanieMak/sass,lmetla/sass,DanteKaris/sass