title: Mocha Tests Not running after previously working fine
body: <p>As part of my class, we have a project folder, and within it are individual files with a matching test file. When we download, that, we have to install npm, and as we finish each problem, we run mocha to test that our answers are correct.</p>
  <p>Throughout, I would commit after each problem was solved, and then at the end, push it to a private github repo.</p>
  <p>Now, I'm going back through the project, and I delete my answers so I can resolve them for practice, but running mocha doesn't work. Instead of seeing the 'passing' 'failing' in the terminal, I see the the console logs up to the problem I haven't done yet, which prints a reference error indicating I haven't declared the function (because I haven't reached that problem yet.</p>
  <p>Other than deleting the code that I wrote, I've done nothing different, yet mocha won't work. Is there something else I need to do?</p>