use bundle exec rails

Author: Francesco Rodriguez

test/fixtures/engine_project/script/rails

@@ -4,6 +4,5 @@
 ENGINE_ROOT = File.expand_path('../..', __FILE__)
 ENGINE_PATH = File.expand_path('../../lib/engine_project/engine', __FILE__)
 
-require 'rails'
 require 'rails/all'
 require 'rails/engine/commands'

test/sass_rails_test.rb

@@ -196,6 +196,6 @@ class SassRailsTest < Sass::Rails::TestCase
   end
 
   def generate_scaffold(args = nil)
-    runcmd "ruby script/rails generate scaffold foo #{args}"
+    runcmd "bundle exec rails generate scaffold foo #{args}"
   end
 end