FileNamingResolver\NamingStrategy\AbstractNamingStrategy::generateUniqueString PHP Метод

    public static function generateUniqueString()
    {
        return str_replace('.', '', microtime(true)) . uniqid();
    }

 public function testGenerateUniqueString()
 {
     $uniqueString1 = AbstractNamingStrategy::generateUniqueString();
     $uniqueString2 = AbstractNamingStrategy::generateUniqueString();
     $this->assertNotEquals($uniqueString1, $uniqueString2);
 }