Visual enhacements in code
Visual enhacements in code

paulohrpinheiro/test-driven-learning,paulohrpinheiro/test-driven-learning,paulohrpinheiro/test-driven-learning,paulohrpinheiro/test-driven-learning,paulohrpinheiro/test-driven-learning,paulohrpinheiro/test-driven-learning,paulohrpinheiro/test-driven-learning