test: increase sleep for a couple of tests

Author: XhmikosR

test/quicklink.spec.js

@@ -95,7 +95,7 @@ mainSuite('should prefetch in-viewport links from NodeList', async context => {
     responseURLs.push(resp.url());
   });
   await context.page.goto(`${server}/test-node-list.html`);
-  await sleep();
+  await sleep(1500);
   assert.instance(responseURLs, Array);
   assert.ok(responseURLs.includes(`${server}/2.html`));
   assert.ok(responseURLs.includes(`${server}/3.html`));
@@ -107,7 +107,7 @@ mainSuite('should only prefetch links if allowed in origins list', async context
     responseURLs.push(resp.url());
   });
   await context.page.goto(`${server}/test-allow-origin.html`);
-  await sleep(1000);
+  await sleep(1500);
   assert.instance(responseURLs, Array);
 
   // => origins: ['github.githubassets.com']