class ParallelTests::Cucumber::FailuresLogger

def after_feature(feature)
  unless @lines.empty?
    lock_output do
      @lines.each do |line|
        @io.puts "#{feature.file}:#{line}"
      end
    end
  end
end

def initialize(runtime, path_or_io, options)
  @io = prepare_io(path_or_io)
end