chore: import upstream snapshot with attribution

e2e/editor-tabs.spec.ts

@@ -0,0 +1,40 @@
+import { expect, test } from '@playwright/test';
+import translations from '../client/i18n/locales/english/translations.json';
+
+test.beforeEach(async ({ page }) => {
+  await page.goto(
+    '/learn/2022/responsive-web-design/build-a-survey-form-project/build-a-survey-form'
+  );
+});
+
+test('should toggle editor visibility correctly', async ({
+  page,
+  isMobile
+}) => {
+  const htmlTabToggle = page.getByRole('button', { name: 'index.html Editor' });
+  const cssTabToggle = page.getByRole('button', { name: 'styles.css Editor' });
+  const htmlTab = page.getByTestId('editor-container-indexhtml');
+  const cssTab = page.getByTestId('editor-container-stylescss');
+
+  if (isMobile) {
+    const codeButton = page.getByRole('tab', {
+      name: translations.learn['editor-tabs'].code
+    });
+    await codeButton.click();
+  }
+  await expect(htmlTabToggle).toBeVisible();
+  // HTML tab is opened by default
+  await expect(htmlTabToggle).toHaveAttribute('aria-expanded', 'true');
+  await expect(htmlTab).toBeVisible();
+  await htmlTabToggle.click();
+  await expect(htmlTabToggle).toHaveAttribute('aria-expanded', 'false');
+  await expect(htmlTab).not.toBeVisible();
+
+  await expect(cssTabToggle).toBeVisible();
+  // CSS tab is not opened by default
+  await expect(cssTabToggle).toHaveAttribute('aria-expanded', 'false');
+  await expect(cssTab).not.toBeVisible();
+  await cssTabToggle.click();
+  await expect(cssTabToggle).toHaveAttribute('aria-expanded', 'true');
+  await expect(cssTab).toBeVisible();
+});