rithms.</p>

<h2 id="a-focus-on-testing">A focus on testing</h2>
<p>Before you start writing code, you will first consider what infrastructure you will need to test the code you plan to write.</p>

<p>In the early assignments, we supplied many provided tests and test utility functions. As your testing skills have grown, you have relied less on our provided tests and taken more ownership for developing test cases.  For this assignment, <strong>you will further take on the responsibility to develop your own u