test: Add new UI test for launcher

Signed-off-by: mahendrapaipuri <[email protected]>

jupyterlab/packages/jupyterlab-jupytext-extension/ui-tests/tests/jupytext-launcher.spec.ts

@@ -0,0 +1,12 @@
+import { expect, test } from '@jupyterlab/galata';
+
+test.describe('Jupytext Launcher Category', () => {
+  test.use({ autoGoto: false, viewport: { height: 1020, width: 1280 } });
+  test('should have Jupytext category in launcher', async ({ page }) => {
+    await page.goto();
+    await page.waitForSelector('.jp-LauncherCard-label');
+
+    const imageName = 'launcher-category.png';
+    expect(await page.screenshot()).toMatchSnapshot(imageName.toLowerCase());
+  });
+});