Check out a free preview of the full Testing JavaScript Applications (feat. React and Redux) course:
The "Challenge 4: Test for a Newly Found Bug" Lesson is part of the full, Testing JavaScript Applications (feat. React and Redux) course featured in this preview video. Here's what you'd learn in this lesson:

In this challenge, students write a test for a newly squashed bug to ensure that the bug does not reappear again.

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