class ParallelCucumber

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 ParallelCucumber::RuntimeLogger --out #{runtime_log}"
  cmd = "#{color} #{executable}"
  cmd << runtime_logging if File.directory?(File.dirname(runtime_log))
  cmd << " #{options[:test_options]} #{test_files*' '}"
  execute_command(cmd, process_number, options)
end