module ParallelTests

def bundler_enabled?
  return true if Object.const_defined?(:Bundler)
  previous = nil
  current = File.expand_path(Dir.pwd)
  until !File.directory?(current) || current == previous
    filename = File.join(current, "Gemfile")
    return true if File.exist?(filename)
    current, previous = File.expand_path("..", current), current
  end
  false
end