reorg some of the more stuff

middleman-core/lib/middleman-core/core_extensions/extensions.rb

@@ -158,6 +158,15 @@ module Middleman
 
           run_hook :initialized
 
+          # This is for making the tests work - since the tests
+          # don't completely reload middleman, I18n.load_path can get
+          # polluted with paths from other test app directories that don't
+          # exist anymore.
+          if ENV["TEST"]
+            ::I18n.load_path.delete_if {|path| path =~ %r{tmp/aruba}}
+            ::I18n.reload!
+          end
+
           run_hook :after_configuration
 
           logger.debug "Loaded extensions:"