Property Based Testing, Automation Testing, QA, Unit Testing, Integration Testing.
already have a mocha runner configured, simply execute yarn test as usual. In the event of a failure, you may encounter a message similar to the following: 1) should always contain its substrings Error: Property failed after 1 tests (seed: 1527422598337, path: 0:0): ["","",""] Shrunk 1 time(s) Got