Jest exit code Please see screenshots of the debug . Open menu Open navigation Go to Reddit Home. jest-runner waits on a thread pool that'll never fulfil the submitted job. npm ERR! code ELIFECYCLE npm ERR! errno Skip to main content. If you'd like to use your `package. expressモジュールのapp. exit: ' + number); }); This mock ensures that the execution of our test function ends immediately without doing “other stuff” and without ending the Jest test process. I am attempting to run Jest on my project. Promise = jest. Jest comes with a built-in feature to fail early if one test fails. wwmfjjcuqhkhrogdcozgpwhaltkksbegnispwsnwovdhskilejoilxsqhpbekssvmuhygxmzqbqakd