test: add failing test for new page downloads (#1984)

Author: yury-s

test/download.spec.js

@@ -117,6 +117,17 @@ describe('Download', function() {
     expect(fs.readFileSync(path).toString()).toBe('Hello world');
     await page.close();
   });
+  it.fail(CHROMIUM || WEBKIT || FFOX)('should report new window downloads', async({browser, server}) => {
+    const page = await browser.newPage({ acceptDownloads: true });
+    await page.setContent(`<a target=_blank href="${server.PREFIX}/download">download</a>`);
+    const [ download ] = await Promise.all([
+      page.waitForEvent('download'),
+      page.click('a')
+    ]);
+    const path = await download.path();
+    expect(fs.existsSync(path)).toBeTruthy();
+    await page.close();
+  });
   it('should delete file', async({browser, server}) => {
     const page = await browser.newPage({ acceptDownloads: true });
     await page.setContent(`<a href="${server.PREFIX}/download">download</a>`);