Meh, test are great in so far as they can help you not break things if you upgrade the framework, or langauge in the future. But other than that I have to agree with Kent Beck's sentiment of "I get paid for code that works, not for tests".
https://istacee.wordpress.com/2013/09/18/kent-beck-i-get-pai...
If I had started out trying to learn Django using TDD as in this tutorial:
http://chimera.labs.oreilly.com/books/1234000000754/index.ht...
I never would have learned Django. I would have given up with the ridiculous slow progress of results and functionality.