Test on webkit

.github/workflows/playwright-update.yml

@@ -17,7 +17,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        browser: [firefox, chromium]
+        browser: [firefox, chromium, webkit]
 
     steps:
       - name: React to the triggering comment

.github/workflows/ui-tests.yml

@@ -48,7 +48,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        browser: [firefox, chromium]
+        browser: [firefox, chromium, webkit]
     steps:
       - name: Checkout
         uses: actions/checkout@v4

ui-tests/test/execute.test.ts

@@ -14,8 +14,16 @@ test.describe('Code execution', () => {
     await page.goto('lab/index.html');
   });
 
-  test('Basic code execution', async ({ page }) => {
+  test('Basic code execution', async ({ page, browserName }) => {
+    if (browserName === 'webkit') {
+      // try waiting longer for webkit
+      test.setTimeout(60000 * 3);
+    }
     await page.notebook.createNew();
+
+    // TODO: remove
+    // See https://github.com/jupyterlab/jupyterlab/issues/15252 for more information
+    await page.notebook.setCell(0, 'code', '2 + 2');
     await page.notebook.setCell(0, 'code', '2 + 2');
     await page.notebook.run();
     const output = await page.notebook.getCellTextOutput(0);