[Haml] Make tests work with Rails 3b4.
[Haml] Make tests work with Rails 3b4.

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