public void AddSomeKeywords()
        {
            var addKeywords = new List <string>();

            for (int i = 0; i < 5; ++i)
            {
                addKeywords.Add("phrase " + Environment.TickCount);
            }

            var project = ApiClientHelper.GetFirstProject();

            var request = _builder.GetAddKeywordsRequest(project.Id, addKeywords);

            _client.GetMessageResult(request);

            var keywords = GetKeywords(project.Id);

            foreach (var addedWord in addKeywords)
            {
                Assert.IsNotNull(keywords.FirstOrDefault(k => k.Phrase == addedWord));
            }
        }