1) [documentation] › test/documentation/debugger.test.ts:53:7 › Debugger › Set breakpoint ──────── TypeError: Cannot read properties of undefined (reading 'click') at src/helpers/notebook.ts:899 897 | return false; 898 | } > 899 | await gutters[lineNumber].click(); | ^ 900 | return true; 901 | } 902 | at NotebookHelper.clickCellGutter (/home/runner/work/jupyterlab/jupyterlab/core/galata/src/helpers/notebook.ts:899:31) at setBreakpoint (/home/runner/work/jupyterlab/jupyterlab/core/galata/test/documentation/debugger.test.ts:357:3) at /home/runner/work/jupyterlab/jupyterlab/core/galata/test/documentation/debugger.test.ts:62:5

2) [documentation] › test/documentation/general.test.ts:546:7 › General › Kernels and Terminals ── Error: Screenshot comparison failed: 2201 pixels (ratio 0.02 of all image pixels) are different. Expected: /home/runner/work/jupyterlab/jupyterlab/core/galata/test-results/test-documentation-general-General-Kernels-and-Terminals-documentation/running-layout-expected.png Received: /home/runner/work/jupyterlab/jupyterlab/core/galata/test-results/test-documentation-general-General-Kernels-and-Terminals-documentation/running-layout-actual.png Diff: /home/runner/work/jupyterlab/jupyterlab/core/galata/test-results/test-documentation-general-General-Kernels-and-Terminals-documentation/running-layout-diff.png 575 | expect( 576 | await page.screenshot({ clip: { y: 27, x: 0, width: 283, height: 400 } }) > 577 | ).toMatchSnapshot('running_layout.png'); | ^ 578 | }); 579 | 580 | test('Command Palette', async ({ page }) => { at /home/runner/work/jupyterlab/jupyterlab/core/galata/test/documentation/general.test.ts:577:7

2) [documentation] › test/documentation/general.test.ts:546:7 › General › Kernels and Terminals ── Retry #1 ─────────────────────────────────────────────────────────────────────────────────────── Error: expect(received).toHaveCount(expected) // deep equality Expected: 2 Received: 3 Call log: - expect.toHaveCount with timeout 5000ms - waiting for locator('.jp-RunningSessions-item.jp-mod-kernel').locator('text="Python 3 (ipykernel)"') - locator resolved to 3 elements - unexpected value "3" - waiting for locator('.jp-RunningSessions-item.jp-mod-kernel').locator('text="Python 3 (ipykernel)"') - locator resolved to 3 elements - unexpected value "3" - locator resolved to 3 elements - unexpected value "3" - locator resolved to 3 elements - unexpected value "3" - locator resolved to 3 elements - unexpected value "3" - locator resolved to 3 elements - unexpected value "3" - locator resolved to 3 elements - unexpected value "3" - locator resolved to 3 elements - unexpected value "3" - locator resolved to 3 elements - unexpected value "3" 571 | '.jp-RunningSessions-item.jp-mod-kernel >> text="Python 3 (ipykernel)"' 572 | ) > 573 | ).toHaveCount(2); | ^ 574 | 575 | expect( 576 | await page.screenshot({ clip: { y: 27, x: 0, width: 283, height: 400 } }) at /home/runner/work/jupyterlab/jupyterlab/core/galata/test/documentation/general.test.ts:573:7

3) [documentation] › test/documentation/internationalization.test.ts:14:7 › Internationalization › Menu Error: Screenshot comparison failed: 35 pixels (ratio 0.01 of all image pixels) are different. Expected: /home/runner/work/jupyterlab/jupyterlab/core/galata/test-results/test-documentation-internationalization-Internationalization-Menu-documentation/language-settings-expected.png Received: /home/runner/work/jupyterlab/jupyterlab/core/galata/test-results/test-documentation-internationalization-Internationalization-Menu-documentation/language-settings-actual.png Diff: /home/runner/work/jupyterlab/jupyterlab/core/galata/test-results/test-documentation-internationalization-Internationalization-Menu-documentation/language-settings-diff.png 22 | expect( 23 | await page.screenshot({ clip: { y: 5, x: 250, width: 800, height: 600 } }) > 24 | ).toMatchSnapshot('language_settings.png'); | ^ 25 | }); 26 | 27 | test('Confirm language', async ({ page }) => { at /home/runner/work/jupyterlab/jupyterlab/core/galata/test/documentation/internationalization.test.ts:24:7

3) [documentation] › test/documentation/internationalization.test.ts:14:7 › Internationalization › Menu Retry #1 ─────────────────────────────────────────────────────────────────────────────────────── Error: Screenshot comparison failed: 35 pixels (ratio 0.01 of all image pixels) are different. Expected: /home/runner/work/jupyterlab/jupyterlab/core/galata/test-results/test-documentation-internationalization-Internationalization-Menu-documentation-retry1/language-settings-expected.png Received: /home/runner/work/jupyterlab/jupyterlab/core/galata/test-results/test-documentation-internationalization-Internationalization-Menu-documentation-retry1/language-settings-actual.png Diff: /home/runner/work/jupyterlab/jupyterlab/core/galata/test-results/test-documentation-internationalization-Internationalization-Menu-documentation-retry1/language-settings-diff.png 22 | expect( 23 | await page.screenshot({ clip: { y: 5, x: 250, width: 800, height: 600 } }) > 24 | ).toMatchSnapshot('language_settings.png'); | ^ 25 | }); 26 | 27 | test('Confirm language', async ({ page }) => { at /home/runner/work/jupyterlab/jupyterlab/core/galata/test/documentation/internationalization.test.ts:24:7

1) [jupyterlab] › test/jupyterlab/notebook-run.test.ts:33:7 › Notebook Run › Run Notebook and capture cell outputs Error: Screenshot comparison failed: 316 pixels (ratio 0.01 of all image pixels) are different. Expected: /home/runner/work/jupyterlab/jupyterlab/galata/test-results/test-jupyterlab-notebook-run-Notebook-Run-Run-Notebook-and-capture-cell-outputs-jupyterlab/notebook-panel-1-expected.png Received: /home/runner/work/jupyterlab/jupyterlab/galata/test-results/test-jupyterlab-notebook-run-Notebook-Run-Run-Notebook-and-capture-cell-outputs-jupyterlab/notebook-panel-1-actual.png Diff: /home/runner/work/jupyterlab/jupyterlab/galata/test-results/test-jupyterlab-notebook-run-Notebook-Run-Run-Notebook-and-capture-cell-outputs-jupyterlab/notebook-panel-1-diff.png 60 | 61 | for (let c = 0; c < numNBImages; ++c) { > 62 | expect.soft(captures[c]).toMatchSnapshot(getCaptureImageName(c)); | ^ 63 | } 64 | }); 65 | at /home/runner/work/jupyterlab/jupyterlab/galata/test/jupyterlab/notebook-run.test.ts:62:32

1) [jupyterlab] › test/jupyterlab/notebook-run.test.ts:33:7 › Notebook Run › Run Notebook and capture cell outputs Retry #1 ─────────────────────────────────────────────────────────────────────────────────────── Error: Screenshot comparison failed: 316 pixels (ratio 0.01 of all image pixels) are different. Expected: /home/runner/work/jupyterlab/jupyterlab/galata/test-results/test-jupyterlab-notebook-run-Notebook-Run-Run-Notebook-and-capture-cell-outputs-jupyterlab-retry1/notebook-panel-1-expected.png Received: /home/runner/work/jupyterlab/jupyterlab/galata/test-results/test-jupyterlab-notebook-run-Notebook-Run-Run-Notebook-and-capture-cell-outputs-jupyterlab-retry1/notebook-panel-1-actual.png Diff: /home/runner/work/jupyterlab/jupyterlab/galata/test-results/test-jupyterlab-notebook-run-Notebook-Run-Run-Notebook-and-capture-cell-outputs-jupyterlab-retry1/notebook-panel-1-diff.png 60 | 61 | for (let c = 0; c < numNBImages; ++c) { > 62 | expect.soft(captures[c]).toMatchSnapshot(getCaptureImageName(c)); | ^ 63 | } 64 | }); 65 | at /home/runner/work/jupyterlab/jupyterlab/galata/test/jupyterlab/notebook-run.test.ts:62:32

2) [jupyterlab] › test/jupyterlab/notebook-toolbar.test.ts:54:7 › Notebook Toolbar › Paste cell ── Error: expect(received).toBeVisible() Call log: - expect.toBeVisible with timeout 5000ms - waiting for locator('.jp-Notebook-cell.jp-mod-active .jp-cell-toolbar') - locator resolved to <jp-toolbar role="toolbar" orientation="horizontal" aria-ori…>…</jp-toolbar> - unexpected value "hidden" - waiting for locator('.jp-Notebook-cell.jp-mod-active .jp-cell-toolbar') - locator resolved to <jp-toolbar role="toolbar" orientation="horizontal" aria-ori…>…</jp-toolbar> - unexpected value "hidden" - locator resolved to <jp-toolbar role="toolbar" orientation="horizontal" aria-ori…>…</jp-toolbar> - unexpected value "hidden" - locator resolved to <jp-toolbar role="toolbar" orientation="horizontal" aria-ori…>…</jp-toolbar> - unexpected value "hidden" - locator resolved to <jp-toolbar role="toolbar" orientation="horizontal" aria-ori…>…</jp-toolbar> - unexpected value "hidden" - locator resolved to <jp-toolbar role="toolbar" orientation="horizontal" aria-ori…>…</jp-toolbar> - unexpected value "hidden" - locator resolved to <jp-toolbar role="toolbar" orientation="horizontal" aria-ori…>…</jp-toolbar> - unexpected value "hidden" - locator resolved to <jp-toolbar role="toolbar" orientation="horizontal" aria-ori…>…</jp-toolbar> - unexpected value "hidden" - locator resolved to <jp-toolbar role="toolbar" orientation="horizontal" aria-ori…>…</jp-toolbar> - unexpected value "hidden" 64 | await expect( 65 | page.locator('.jp-Notebook-cell.jp-mod-active .jp-cell-toolbar') > 66 | ).toBeVisible(); | ^ 67 | expect(await nbPanel.screenshot()).toMatchSnapshot(imageName); 68 | }); 69 | at /home/runner/work/jupyterlab/jupyterlab/galata/test/jupyterlab/notebook-toolbar.test.ts:66:7

2) [jupyterlab] › test/jupyterlab/notebook-toolbar.test.ts:54:7 › Notebook Toolbar › Paste cell ── Retry #1 ─────────────────────────────────────────────────────────────────────────────────────── Error: expect(received).toBeVisible() Call log: - expect.toBeVisible with timeout 5000ms - waiting for locator('.jp-Notebook-cell.jp-mod-active .jp-cell-toolbar') - locator resolved to <jp-toolbar role="toolbar" orientation="horizontal" aria-ori…>…</jp-toolbar> - unexpected value "hidden" - waiting for locator('.jp-Notebook-cell.jp-mod-active .jp-cell-toolbar') - locator resolved to <jp-toolbar role="toolbar" orientation="horizontal" aria-ori…>…</jp-toolbar> - unexpected value "hidden" - locator resolved to <jp-toolbar role="toolbar" orientation="horizontal" aria-ori…>…</jp-toolbar> - unexpected value "hidden" - locator resolved to <jp-toolbar role="toolbar" orientation="horizontal" aria-ori…>…</jp-toolbar> - unexpected value "hidden" - locator resolved to <jp-toolbar role="toolbar" orientation="horizontal" aria-ori…>…</jp-toolbar> - unexpected value "hidden" - locator resolved to <jp-toolbar role="toolbar" orientation="horizontal" aria-ori…>…</jp-toolbar> - unexpected value "hidden" - locator resolved to <jp-toolbar role="toolbar" orientation="horizontal" aria-ori…>…</jp-toolbar> - unexpected value "hidden" - locator resolved to <jp-toolbar role="toolbar" orientation="horizontal" aria-ori…>…</jp-toolbar> - unexpected value "hidden" - locator resolved to <jp-toolbar role="toolbar" orientation="horizontal" aria-ori…>…</jp-toolbar> - unexpected value "hidden" 64 | await expect( 65 | page.locator('.jp-Notebook-cell.jp-mod-active .jp-cell-toolbar') > 66 | ).toBeVisible(); | ^ 67 | expect(await nbPanel.screenshot()).toMatchSnapshot(imageName); 68 | }); 69 | at /home/runner/work/jupyterlab/jupyterlab/galata/test/jupyterlab/notebook-toolbar.test.ts:66:7

3) [jupyterlab] › test/jupyterlab/notebook-scroll.test.ts:158:7 › Notebook scroll over long outputs › should scroll smoothly without snapping to headings TimeoutError: locator.waitFor: Timeout 100ms exceeded. =========================== logs =========================== waiting for locator('.jp-Cell .jp-RenderedMarkdown:has-text("Before")') to be visible ============================================================ 163 | ); 164 | // Wait until Markdown cells are rendered > 165 | await renderedMarkdownLocator.waitFor({ timeout: 100 }); | ^ 166 | // Un-render the "before" markdown cell 167 | await renderedMarkdownLocator.dblclick(); 168 | // Make the first cell active at /home/runner/work/jupyterlab/jupyterlab/galata/test/jupyterlab/notebook-scroll.test.ts:165:35

4) [jupyterlab] › test/jupyterlab/toc-running.test.ts:48:7 › ToC Running indicator › should display error indicators Test timeout of 60000ms exceeded while running "beforeEach" hook. 8 | 9 | test.describe('ToC Running indicator', () => { > 10 | test.beforeEach(async ({ page, tmpPath }) => { | ^ 11 | await page.notebook.openByPath(`${tmpPath}/${fileName}`); 12 | await page.notebook.activate(fileName); 13 | at /home/runner/work/jupyterlab/jupyterlab/galata/test/jupyterlab/toc-running.test.ts:10:8

4) [jupyterlab] › test/jupyterlab/toc-running.test.ts:48:7 › ToC Running indicator › should display error indicators Error: page.$: Target page, context or browser has been closed at src/helpers/filebrowser.ts:69 67 | */ 68 | async isFileListedInBrowser(fileName: string): Promise<boolean> { > 69 | const item = await this.page.$( | ^ 70 | `xpath=${this.xpBuildFileSelector(fileName)}` 71 | ); 72 | return item !== null; at FileBrowserHelper.isFileListedInBrowser (/home/runner/work/jupyterlab/jupyterlab/galata/src/helpers/filebrowser.ts:69:34) at fn (/home/runner/work/jupyterlab/jupyterlab/galata/src/helpers/filebrowser.ts:58:25) at Timeout.check (/home/runner/work/jupyterlab/jupyterlab/galata/src/utils.ts:166:33)

5) [jupyterlab] › test/jupyterlab/toc-running.test.ts:61:7 › ToC Running indicator › should display running indicator on first visible top level Test timeout of 60000ms exceeded while running "beforeEach" hook. 8 | 9 | test.describe('ToC Running indicator', () => { > 10 | test.beforeEach(async ({ page, tmpPath }) => { | ^ 11 | await page.notebook.openByPath(`${tmpPath}/${fileName}`); 12 | await page.notebook.activate(fileName); 13 | at /home/runner/work/jupyterlab/jupyterlab/galata/test/jupyterlab/toc-running.test.ts:10:8

5) [jupyterlab] › test/jupyterlab/toc-running.test.ts:61:7 › ToC Running indicator › should display running indicator on first visible top level Error: page.$: Target page, context or browser has been closed at src/helpers/filebrowser.ts:69 67 | */ 68 | async isFileListedInBrowser(fileName: string): Promise<boolean> { > 69 | const item = await this.page.$( | ^ 70 | `xpath=${this.xpBuildFileSelector(fileName)}` 71 | ); 72 | return item !== null; at FileBrowserHelper.isFileListedInBrowser (/home/runner/work/jupyterlab/jupyterlab/galata/src/helpers/filebrowser.ts:69:34) at fn (/home/runner/work/jupyterlab/jupyterlab/galata/src/helpers/filebrowser.ts:58:25) at Timeout.check (/home/runner/work/jupyterlab/jupyterlab/galata/src/utils.ts:166:33)

6) [jupyterlab] › test/jupyterlab/workspace.test.ts:159:7 › Workspace › should clone the default workspace Error: elementHandle.click: Element is not attached to the DOM =========================== logs =========================== attempting click action waiting for element to be visible, enabled and stable element is not visible - waiting... ============================================================ at src/helpers/filebrowser.ts:241 239 | 240 | await this.contents.waitForAPIResponse(async () => { > 241 | await item.click({ clickCount: 2 }); | ^ 242 | }); 243 | // wait for DOM rerender 244 | await this.page.waitForTimeout(200); at ContentsHelper.call (/home/runner/work/jupyterlab/jupyterlab/galata/src/helpers/filebrowser.ts:241:18) at ContentsHelper.waitForAPIResponse (/home/runner/work/jupyterlab/jupyterlab/galata/src/contents.ts:365:32) at FileBrowserHelper._openDirectory (/home/runner/work/jupyterlab/jupyterlab/galata/src/helpers/filebrowser.ts:240:25) at FileBrowserHelper.openDirectory (/home/runner/work/jupyterlab/jupyterlab/galata/src/helpers/filebrowser.ts:196:13) at FileBrowserHelper.revealFileInBrowser (/home/runner/work/jupyterlab/jupyterlab/galata/src/helpers/filebrowser.ts:54:7) at FileBrowserHelper.open (/home/runner/work/jupyterlab/jupyterlab/galata/src/helpers/filebrowser.ts:106:5) at /home/runner/work/jupyterlab/jupyterlab/galata/test/jupyterlab/workspace.test.ts:163:5

3 flaky [documentation] › test/documentation/debugger.test.ts:53:7 › Debugger › Set breakpoint ───────── [documentation] › test/documentation/general.test.ts:546:7 › General › Kernels and Terminals ─── [documentation] › test/documentation/internationalization.test.ts:14:7 › Internationalization › Menu 59 passed (5.7m)

2 failed [jupyterlab] › test/jupyterlab/notebook-run.test.ts:33:7 › Notebook Run › Run Notebook and capture cell outputs [jupyterlab] › test/jupyterlab/notebook-toolbar.test.ts:54:7 › Notebook Toolbar › Paste cell ─── 4 flaky [jupyterlab] › test/jupyterlab/notebook-scroll.test.ts:158:7 › Notebook scroll over long outputs › should scroll smoothly without snapping to headings [jupyterlab] › test/jupyterlab/toc-running.test.ts:48:7 › ToC Running indicator › should display error indicators [jupyterlab] › test/jupyterlab/toc-running.test.ts:61:7 › ToC Running indicator › should display running indicator on first visible top level [jupyterlab] › test/jupyterlab/workspace.test.ts:159:7 › Workspace › should clone the default workspace 3 skipped 364 passed (25.6m)

The following actions uses node12 which is deprecated and will be forced to run on node16: ifaxity/wait-on-action@v1. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/