Thoughtworks interview questions

I applied to this company twice. The first time, I applied it online between Jan and Feb 2013. I got an email a week before the Careers Fair said that I was rejected because I did not have enough skills. I sent back Thank You email and did not ask specific reason why I got rejected because I knew at the time TW would be attending the Careers Fair the following week. I came there and talked to one of them (incidentally the same guy who rejected me on my first application). I introduced myself to him and asked him why I got rejected. He expected me to write why I want to work at TW on my cover letter. He also asked me to send him another cover letter straight forward to his email instead of going through the online application. After I sent him my cover letter, the next morning he sent me code assessment with 3 problems. I chose the easiest one, Sales Taxes, because I wanted to try TDD (at the time I only learnt TDD for 2 weeks only). It took me 3 days to finish it. About 3 weeks ago, I got another email from him again about phone interview. I managed to pass this round last week. During this interview, he only focused about what do I know about TW. He started the question, "How do you find TW?". I mentioned about the 3 pillars and elaborate them more. This week, I have to do the Wonderlic test and Logic test. I still do not know whether I am going to pass those 2 tests or not.

Went through assessment day, completed the follow up questionnaire and coding assignment, and made it to the HR interview. Up until this point a month and a half had passed. Everything seemed to go well in the HR interview, but at the very end I mentioned that I had an employment offer, and as such, needed to complete whatever steps were left in the interview process within 2 weeks. The HR person's response was that the next step in the interview process was scheduled to take place in 3 or 4 weeks, and as such, I would not be able to continue the process. I think it is fine if they have a process that lasts multiple stages with long time intervals in between them, however, the problem is that they are not up-front about it.