module Cucumber::Constantize

def constantize(camel_cased_word)
  try = 0
  begin
    try += 1
    names = camel_cased_word.split('::')
    names.shift if names.empty? || names.first.empty?
    constant = ::Object
    names.each do |name|
      constant = constantize_name(constant, name)
    end
    constant
  rescue NameError => e
    require underscore(camel_cased_word)
    retry if try < 2
    raise e
  end
end