Update tests to use Compass.sass_compiler instead of deprecated Compass.compiler.

Author: JohnAlbin

tests/Rakefile

@@ -14,12 +14,12 @@ end
 desc 'Compile baseline CSS'
 task :compile do
   require 'compass'
-  require 'compass/exec'
+  require 'compass/sass_compiler'
 
   Compass.add_configuration 'config.rb'
   Compass.configuration.project_path = Dir.pwd
   # Compile into baseline directory instead of test output directory
   Compass.configuration.css_dir = 'controls'
-  Compass.compiler.clean!
-  Compass.compiler.run
+  Compass.sass_compiler.clean!
+  Compass.sass_compiler.compile!
 end