module Spec::Example::ExampleGroupMethods

def subclass(*args, &example_group_block)
  @class_count ||= 0
  @class_count += 1
  klass = const_set("Subclass_#{@class_count}", Class.new(self))
  klass.set_description(*args)
  klass.include_constants_in(args.last[:scope])
  klass.module_eval(&example_group_block)
  klass
end