1) tests/notebook.spec.ts:127:7 › Initialization › Open a notebook ─────────────────────────────── TypeError: Cannot read properties of undefined (reading 'slice') 139 | 140 | const nbPanelGuest = await guestPage.notebook.getNotebookInPanel(); > 141 | expect(await nbPanelGuest?.screenshot()).toMatchSnapshot( | ^ 142 | 'initialization-open-notebook-guest.png' 143 | ); 144 | at /home/runner/work/jupyter_collaboration/jupyter_collaboration/ui-tests/tests/notebook.spec.ts:141:46

Process completed with exit code 1.

Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/checkout@v3, actions/setup-python@v4, actions/cache@v3, actions/setup-node@v3, actions/upload-artifact@v3. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.