test(e2e): avoid relying on CDN + reduce debounce delay

packages/vue/examples/__tests__/markdown.spec.ts

@@ -7,7 +7,7 @@ describe('e2e: markdown', () => {
   async function testMarkdown(apiType: 'classic' | 'composition') {
     const baseUrl = `file://${path.resolve(
       __dirname,
-      `../${apiType}/markdown.html`
+      `../${apiType}/markdown.html#test`
     )}`
 
     await page().goto(baseUrl)
@@ -18,7 +18,7 @@ describe('e2e: markdown', () => {
     await page().type('textarea', '\n## foo\n\n- bar\n- baz')
     // assert the output is not updated yet because of debounce
     expect(await html('#editor div')).toBe('<h1 id="hello">hello</h1>\n')
-    await page().waitFor(500)
+    await page().waitFor(16)
     expect(await html('#editor div')).toBe(
       '<h1 id="hello">hello</h1>\n' +
         '<h2 id="foo">foo</h2>\n' +