Added new reserved name, closes #157

Author: milushov

lib/config/options.rb

@@ -126,7 +126,7 @@ def merge!(hash)
     end
 
     # Some keywords that don't play nicely with OpenStruct
-    SETTINGS_RESERVED_NAMES = %w{select collect}
+    SETTINGS_RESERVED_NAMES = %w{select collect test}
 
     # An alternative mechanism for property access.
     # This let's you do foo['bar'] along with foo.bar.