class ParallelTests::Cucumber::Runner

def self.run_tests(test_files, process_number, options)
  color = ($stdout.tty? ? 'AUTOTEST=1 ; export AUTOTEST ;' : '')#display color when we are in a terminal
  runtime_logging = " --format ParallelTests::Cucumber::RuntimeLogger --out #{runtime_log}"
  cmd = [
    color,
    executable,
    (runtime_logging if File.directory?(File.dirname(runtime_log))),
    cucumber_opts(options[:test_options]),
    *test_files
  ].compact.join(" ")
  execute_command(cmd, process_number, options)
end