1) tests/jupyterlab_gallery.spec.ts:173:7 › Integration with jupyterlab-launchpad › Launchpad integration Error: Screenshot comparison failed: 15531 pixels (ratio 0.04 of all image pixels) are different. Expected: /home/runner/work/jupyterlab-gallery/jupyterlab-gallery/ui-tests/tests/jupyterlab_gallery.spec.ts-snapshots/in-launchpad-linux.png Received: /home/runner/work/jupyterlab-gallery/jupyterlab-gallery/ui-tests/test-results/tests-jupyterlab_gallery-I-e3045-chpad-Launchpad-integration/in-launchpad-actual.png Diff: /home/runner/work/jupyterlab-gallery/jupyterlab-gallery/ui-tests/test-results/tests-jupyterlab_gallery-I-e3045-chpad-Launchpad-integration/in-launchpad-diff.png 190 | await page.waitForTimeout(100); 191 | > 192 | expect(await launcher.screenshot()).toMatchSnapshot('in-launchpad.png'); | ^ 193 | }); 194 | 195 | test('On hover - fresh', async ({ page }) => { at /home/runner/work/jupyterlab-gallery/jupyterlab-gallery/ui-tests/tests/jupyterlab_gallery.spec.ts:192:41

2) tests/jupyterlab_gallery.spec.ts:195:7 › Integration with jupyterlab-launchpad › On hover - fresh Error: Screenshot comparison failed: 24 pixels (ratio 0.01 of all image pixels) are different. Expected: /home/runner/work/jupyterlab-gallery/jupyterlab-gallery/ui-tests/tests/jupyterlab_gallery.spec.ts-snapshots/on-hover-fresh-linux.png Received: /home/runner/work/jupyterlab-gallery/jupyterlab-gallery/ui-tests/test-results/tests-jupyterlab_gallery-I-4042d--launchpad-On-hover---fresh/on-hover-fresh-actual.png Diff: /home/runner/work/jupyterlab-gallery/jupyterlab-gallery/ui-tests/test-results/tests-jupyterlab_gallery-I-4042d--launchpad-On-hover---fresh/on-hover-fresh-diff.png 203 | const card = page.locator('.jp-Exhibit').first(); 204 | await card.hover(); > 205 | expect(await card.screenshot()).toMatchSnapshot('on-hover-fresh.png'); | ^ 206 | }); 207 | 208 | test('On hover - cloned', async ({ page }) => { at /home/runner/work/jupyterlab-gallery/jupyterlab-gallery/ui-tests/tests/jupyterlab_gallery.spec.ts:205:37

3) tests/jupyterlab_gallery.spec.ts:208:7 › Integration with jupyterlab-launchpad › On hover - cloned Error: Screenshot comparison failed: 24 pixels (ratio 0.01 of all image pixels) are different. Expected: /home/runner/work/jupyterlab-gallery/jupyterlab-gallery/ui-tests/tests/jupyterlab_gallery.spec.ts-snapshots/on-hover-cloned-linux.png Received: /home/runner/work/jupyterlab-gallery/jupyterlab-gallery/ui-tests/test-results/tests-jupyterlab_gallery-I-4bfad-launchpad-On-hover---cloned/on-hover-cloned-actual.png Diff: /home/runner/work/jupyterlab-gallery/jupyterlab-gallery/ui-tests/test-results/tests-jupyterlab_gallery-I-4bfad-launchpad-On-hover---cloned/on-hover-cloned-diff.png 216 | const card = page.locator('.jp-Exhibit').first(); 217 | await card.hover(); > 218 | expect(await card.screenshot()).toMatchSnapshot('on-hover-cloned.png'); | ^ 219 | }); 220 | 221 | test('On hover - updates pending', async ({ page }) => { at /home/runner/work/jupyterlab-gallery/jupyterlab-gallery/ui-tests/tests/jupyterlab_gallery.spec.ts:218:37

4) tests/jupyterlab_gallery.spec.ts:221:7 › Integration with jupyterlab-launchpad › On hover - updates pending Error: Screenshot comparison failed: 38 pixels (ratio 0.01 of all image pixels) are different. Expected: /home/runner/work/jupyterlab-gallery/jupyterlab-gallery/ui-tests/tests/jupyterlab_gallery.spec.ts-snapshots/on-hover-updates-pending-linux.png Received: /home/runner/work/jupyterlab-gallery/jupyterlab-gallery/ui-tests/test-results/tests-jupyterlab_gallery-I-e4d2a--On-hover---updates-pending/on-hover-updates-pending-actual.png Diff: /home/runner/work/jupyterlab-gallery/jupyterlab-gallery/ui-tests/test-results/tests-jupyterlab_gallery-I-e4d2a--On-hover---updates-pending/on-hover-updates-pending-diff.png 235 | const card = page.locator('.jp-Exhibit').first(); 236 | await card.hover(); > 237 | expect(await card.screenshot()).toMatchSnapshot( | ^ 238 | 'on-hover-updates-pending.png' 239 | ); 240 | }); at /home/runner/work/jupyterlab-gallery/jupyterlab-gallery/ui-tests/tests/jupyterlab_gallery.spec.ts:237:37

5) tests/jupyterlab_gallery.spec.ts:242:7 › Integration with jupyterlab-launchpad › Odd cases ──── Error: Screenshot comparison failed: 11815 pixels (ratio 0.05 of all image pixels) are different. Expected: /home/runner/work/jupyterlab-gallery/jupyterlab-gallery/ui-tests/tests/jupyterlab_gallery.spec.ts-snapshots/odd-cases-linux.png Received: /home/runner/work/jupyterlab-gallery/jupyterlab-gallery/ui-tests/test-results/tests-jupyterlab_gallery-I-9b2e7-yterlab-launchpad-Odd-cases/odd-cases-actual.png Diff: /home/runner/work/jupyterlab-gallery/jupyterlab-gallery/ui-tests/test-results/tests-jupyterlab_gallery-I-9b2e7-yterlab-launchpad-Odd-cases/odd-cases-diff.png 247 | await page.waitForTimeout(400); 248 | const gallery = page.locator('.jp-Gallery'); > 249 | expect(await gallery.screenshot()).toMatchSnapshot('odd-cases.png'); | ^ 250 | }); 251 | }); 252 | at /home/runner/work/jupyterlab-gallery/jupyterlab-gallery/ui-tests/tests/jupyterlab_gallery.spec.ts:249:40

Process completed with exit code 1.

ubuntu-latest pipelines will use ubuntu-24.04 soon. For more details, see https://github.com/actions/runner-images/issues/10636