1) validate_assignment.spec.ts:116:1 › Validation success ──────────────────────────────────────── Error: Timed out 5000ms waiting for expect(received).toHaveCount(expected) // deep equality Expected: 1 Received: 0 Call log: - expect.toHaveCount with timeout 5000ms - waiting for locator('.nbgrader-SuccessDialog') - locator resolved to 0 elements - unexpected value "0" - locator resolved to 0 elements - unexpected value "0" - locator resolved to 0 elements - unexpected value "0" - locator resolved to 0 elements - unexpected value "0" - locator resolved to 0 elements - unexpected value "0" - locator resolved to 0 elements - unexpected value "0" - locator resolved to 0 elements - unexpected value "0" - locator resolved to 0 elements - unexpected value "0" at __PWZONE__[8263]-expectZone (/tmp/nbgrader-galata-2m6g10oc/node_modules/@playwright/test/lib/matchers/expect.js:221:29) at /tmp/nbgrader-galata-2m6g10oc/node_modules/playwright-core/lib/utils/zones.js:75:33 at runWithFinally (/tmp/nbgrader-galata-2m6g10oc/node_modules/playwright-core/lib/utils/zones.js:82:20) at Zone.run (/tmp/nbgrader-galata-2m6g10oc/node_modules/playwright-core/lib/utils/zones.js:75:12) at ZoneManager.run (/tmp/nbgrader-galata-2m6g10oc/node_modules/playwright-core/lib/utils/zones.js:31:58) at /tmp/nbgrader-galata-2m6g10oc/node_modules/@playwright/test/lib/matchers/expect.js:218:32 at Proxy.toHaveCount (/tmp/nbgrader-galata-2m6g10oc/node_modules/@playwright/test/lib/matchers/expect.js:227:11) at waitForSuccessModal (/tmp/nbgrader-galata-2m6g10oc/nbgrader/tests/ui-tests/utils/test_utils.ts:88:57) at /tmp/nbgrader-galata-2m6g10oc/nbgrader/tests/ui-tests/validate_assignment.spec.ts:127:28 at /tmp/nbgrader-galata-2m6g10oc/node_modules/@playwright/test/lib/worker/workerMain.js:352:9 at TestInfoImpl._runAndFailOnError (/tmp/nbgrader-galata-2m6g10oc/node_modules/@playwright/test/lib/worker/testInfo.js:182:7) at /tmp/nbgrader-galata-2m6g10oc/node_modules/@playwright/test/lib/worker/workerMain.js:348:21 at TimeoutRunner.run (/tmp/nbgrader-galata-2m6g10oc/node_modules/playwright-core/lib/utils/timeoutRunner.js:49:14) at TimeoutManager.runWithTimeout (/tmp/nbgrader-galata-2m6g10oc/node_modules/@playwright/test/lib/worker/timeoutManager.js:62:7) at TestInfoImpl._runWithTimeout (/tmp/nbgrader-galata-2m6g10oc/node_modules/@playwright/test/lib/worker/testInfo.js:169:26) at WorkerMain._runTest (/tmp/nbgrader-galata-2m6g10oc/node_modules/@playwright/test/lib/worker/workerMain.js:284:5) at WorkerMain.runTestGroup (/tmp/nbgrader-galata-2m6g10oc/node_modules/@playwright/test/lib/worker/workerMain.js:208:11) at process.<anonymous> (/tmp/nbgrader-galata-2m6g10oc/node_modules/@playwright/test/lib/common/process.js:88:22)

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/setup-python@v2, actions/upload-artifact@v2. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/