public void Setup()
        {
            _templateList = Enumerable.Range(0, Items).Select(_ => $"{DefaultOutputTemplate}_{Guid.NewGuid()}").ToList();

            _concurrentCache = new ConcurrentDictionaryMessageTemplateCache(NoOpMessageTemplateParser.Instance);
            _dictionaryCache = new DictionaryMessageTemplateCache(NoOpMessageTemplateParser.Instance);
            _hashtableCache  = new MessageTemplateCache(NoOpMessageTemplateParser.Instance);

            foreach (var t in _templateList)
            {
                _concurrentCache.Parse(t);
                _dictionaryCache.Parse(t);
                _hashtableCache.Parse(t);
            }
        }