Kraken\Throwable\Exception::toTrace PHP 메소드

    public static function toTrace($ex)
    {
        return Throwable::getThrowableStack($ex);
    }

 /**
  *
  */
 public function testStaticApiToTrace_ReturnsTrace()
 {
     $prev = $this->createException('Previous');
     $ex = $this->createException('Exception', $prev);
     $this->assertTrace(Exception::toTrace($ex));
 }