class Test::Unit::Priority::Checker

def result_dir
  components = [
    ".test-result",
    escape_class_name(@test.class.name || "AnonymousTestCase"),
    escaped_method_name,
  ]
  parent_directories = [File.dirname($0), Dir.pwd]
  if Process.respond_to?(:uid)
    parent_directories << File.join(Dir.tmpdir, Process.uid.to_s)
  end
  parent_directories.each do |parent_directory|
    dir = File.expand_path(File.join(parent_directory, *components))
    begin
      FileUtils.mkdir_p(dir)
      return dir
    rescue Errno::EACCES
    end
  end
  raise Errno::EACCES, parent_directories.join(", ")
end