React course couldn't run the test

[jodranata]

Just started my react course, when I try to ran the test, the page couldn’t finished running it. I try on the other courses and it was fine.

Please Help

[ilenia]

see this other

React, Redux Tutorials Tests are not executing

Getting below error in console while running test for all the react, redux tutorials: I am using Chrome Version 77.0.3865.120 (Official Build) (64-bit). Seeing this issue for last 2 days. Uncaught (in promise) TypeError: Cannot read property 'call' of undefined at o (VM418 frame-runner.js:1) at Object.<anonymous> (VM426 vendors~enzyme~enzyme-adapter.js:8) at Object.<anonymous> (VM426 vendors~enzyme~enzyme-adapter.js:8) at o (VM418 frame-runner.js:1) at Object.<anonymous> …