tests: add scoped test

Author: patrickhulce

test/extend.test.ts

@@ -52,6 +52,12 @@ describe('lib/extend.ts', () => {
     expect(text).toEqual(['Hello h1', 'Hello h2'])
   })
 
+  it('should scope results to element', async () => {
+    const scope = await document.$('#scoped')
+    const element = await scope.queryByText(/Hello/)
+    expect(await page.evaluate(el => el.textContent, element)).toEqual('Hello h3')
+  })
+
   afterAll(async () => {
     await browser.close()
   })

test/fixtures/page.html

@@ -8,6 +8,10 @@ <h2>Hello h2</h2>
   <input type="text" data-testid="testid-text-input">
   <label for="label-text-input">Label A</label>
   <input id="label-text-input" type="text">
+
+  <div id="scoped">
+    <h3>Hello h3</h3>
+  </div>
 </body>
 
 </html>