# File lib/kwala/actions/unit_test.rb, line 224
  def execute_test_file(pre_requires, f)
    # XXX UGLY WEDGE FOR RAILS
    rails_mig = `RAILS_ENV=test rake cerego:db:empty 2>&1`
    rails_exitstatus = $?.exitstatus

    stdout_data = stderr_data = nil
    Open3.popen3(ruby_command_line(pre_requires, f)) do |stdin, stdout, stderr|
      stdout_data = time_out_readlines(stdout)
      stderr_data = time_out_readlines(stderr)
    end
    if rails_exitstatus != 0
      stderr_data = stderr_data.to_s + "\n RAILS MIG FAILURE \n" + rails_mig
    end

    [stdout_data, stderr_data]
  end