public function iRunPhpspec($formatter = null, $option = null, $interactive = null, $spec = null)
{
$arguments = array('command' => 'run', 'spec' => $spec);
if ($formatter) {
$arguments['--format'] = $formatter;
}
$this->addOptionToArguments($option, $arguments);
$this->lastExitCode = $this->tester->run($arguments, array('interactive' => (bool) $interactive, 'decorated' => false));
}