public function __construct($responsesYamlPath)
{
if (!file_exists($responsesYamlPath)) {
throw new \InvalidArgumentException(sprintf("File \"%s\" does not exist.", $responsesYamlPath));
}
$this->responsesYamlPath = $responsesYamlPath;
$this->responsesYamlDir = dirname($this->responsesYamlPath);
}