PHPUnit\Runner\CleverAndSmart\Util::createRunId PHP Метод

    public static function createRunId()
    {
        $random = uniqid(true) . mt_rand();
        if (function_exists('openssl_random_pseudo_bytes')) {
            $random .= openssl_random_pseudo_bytes(1024);
        }
        return hash('sha512', $random . microtime(true) . getmypid() . get_current_user());
    }

 public function testCreateRunId()
 {
     $idOne = Util::createRunId();
     $idTwo = Util::createRunId();
     $this->assertSame(128, strlen($idOne));
     $this->assertSame(128, strlen($idTwo));
     $this->assertNotSame($idOne, $idTwo);
 }