Check [WILDCARD]/test/unhandled_rejection.ts Uncaught error from ./test/unhandled_rejection.ts FAILED ERRORS ./test/unhandled_rejection.ts (uncaught error) error: (in promise) Error: rejection reject(new Error("rejection")); ^ at [WILDCARD]/test/unhandled_rejection.ts:2:10 at new Promise () at [WILDCARD]/test/unhandled_rejection.ts:1:1 This error was not caught from a test and caused the test runner to fail on the referenced module. It most likely originated from a dangling promise, event/timeout handler or top-level code. FAILURES ./test/unhandled_rejection.ts (uncaught error) FAILED | 0 passed | 1 failed ([WILDCARD]) error: Test failed