Fundamentals of TDD - Overview

In this course, we're going to cover the core principles of TDD and how you can use it to improve the code you write and maintain. thoughtbot developers Harry Schwartz and Ian C. Anderson will be your guides throughout the course, guiding you toward more productive development through Test-Driven Development.
This is a companion discussion topic for the original entry at
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On 4th test there is a minor issue, you need to install, setup the database first (postgresql) and change the pg_hba.conf file to allow trust authentication.

In my machine it tried to authenticate with my name’s user. Any doubt, ask me! i’m glad to help