Add e2e tests for JS disabled search and menu

tests/EndToEnd/DisabledJavascriptTest.spec.ts

@@ -1,18 +1,15 @@
-import { test, expect } from '@playwright/test';
+import { test, expect, devices } from '@playwright/test';
 
 const httpHost = process.env.HTTP_HOST
 
 if (typeof httpHost !== 'string') {
     throw new Error('Environment variable "HTTP_HOST" is not set.')
 }
 
-test.beforeEach(async ({ page }) => {
-    await page.goto(httpHost);
-});
-
 test.use({ javaScriptEnabled: false });
 
 test('search should fallback when javascript is disabled', async ({ page }) => {
+    await page.goto(httpHost);
     let searchInput = await page.getByRole('searchbox', { name: 'Search docs' });
     await searchInput.fill('strpos');
     await searchInput.press('Enter');
@@ -23,3 +20,32 @@ test('search should fallback when javascript is disabled', async ({ page }) => {
     await searchInput.press('Enter');
     await expect(page).toHaveURL(`http://${httpHost}/manual-lookup.php?pattern=php+basics&scope=quickref`);
 });
+
+test('search should fallback when javascript is disabled on mobile', async ({ browser }) => {
+    const context = await browser.newContext({
+        ...devices['iPhone SE']
+    });
+    const page = await context.newPage();
+    await page.goto(httpHost);
+    await page
+        .getByRole('link', { name: 'Search docs' })
+        .click();
+    await expect(page).toHaveURL(`http://${httpHost}/lookup-form.php`);
+
+    const searchInput = await page.getByRole('searchbox', { name: 'Lookup docs' });
+    await searchInput.fill('strpos');
+    await searchInput.press('Enter');
+    await expect(page).toHaveURL(`http://${httpHost}/manual/en/function.strpos.php`);
+});
+
+test('menu should fallback when javascript is disabled on mobile', async ({ browser }) => {
+    const context = await browser.newContext({
+        ...devices['iPhone SE']
+    });
+    const page = await context.newPage();
+    await page.goto(httpHost);
+    await page
+        .getByRole('link', { name: 'Menu' })
+        .click();
+    await expect(page).toHaveURL(`http://${httpHost}/menu.php`);
+});