catching test are among the most valuable piece of code in your project.
- Use long and descriptive names for testing functions. The style guide here is
- slighlty different than that of running code, where short names are often
+ slightly different than that of running code, where short names are often
preferred. The reason is testing functions are never called explicitely.
``square()`` or even ``sqr()`` is ok in running code, but in testing code you
would has names such as ``test_square_of_number_2()``,