class Utils::LineFormatter

def dump_failure_to_error_file(example)
  @errors_lst.flock File::LOCK_EX
  @errors_lst.puts "%s\n%3.3fs %s\n%s\n%s" % [
    location(example), run_time(example), description(example, full: true),
    dump_failure_for_example(example), format_backtrace(example, folding: true)
  ]
ensure
  @errors_lst.flock File::LOCK_UN
end