[Sass] [SCSS] Added a failing test case for a case where selector interpolation fails.
[Sass] [SCSS] Added a failing test case for a case where selector interpolation fails.

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