# File lib/action_dispatch/testing/test_process.rb, line 40
    def fixture_file_upload(path, mime_type = nil, binary = false)
      fixture_path = ActionController::TestCase.send(:fixture_path) if ActionController::TestCase.respond_to?(:fixture_path)
      Rack::Test::UploadedFile.new("#{fixture_path}#{path}", mime_type, binary)
    end