Updated test/helper.sh to run against ruby-1.9.3-p286.
Updated test/helper.sh to run against ruby-1.9.3-p286.

JeanMertz/chruby-fish,kbrock/chruby,ilikepi/chruby,postmodern/chruby,JeanMertz/chruby-fish,rstacruz/chruby-fish,eunomie/chgo,ngpestelos/chruby,eunomie/chgo,ilikepi/chruby,kbrock/chruby,postmodern/chruby,ngpestelos/chruby,regularfry/chruby,rstacruz/chruby-fish,regularfry/chruby