Fix warnings on test runs

[DerrykBoyd]

What issue is this referencing?

None: I noticed a few warning on the test runners so this addresses those.

Does the following command run without warnings or errors?

• [x] yes! npm run pr-checks

Have you taken a look at our contributing guidelines?

• [x] yes!

My node version matches the one suggested when running nvm use?

• [x] yes!