[test] Fix flaky tests

I look it in debug more, and i think its possible that the link is off
screen under a scrollbar. We should improve our click handler to handle
these cases.

No-Tree-Checks: True
Bug: none
Change-Id: I63c7c5f4f7db2adef339738d74da1055577ae620
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/6264606
Commit-Queue: Nikolay Vitkov <[email protected]>
Reviewed-by: Andres Olivares <[email protected]>
Reviewed-by: Mathias Bynens <[email protected]>

Author: Lightning00Blade

test/e2e/performance/selector-stats-tracing_test.ts

@@ -4,7 +4,7 @@
 
 import {assert} from 'chai';
 
-import {click, getBrowserAndPages, step, waitForFunction} from '../../shared/helper.js';
+import {click, getBrowserAndPages, scrollElementIntoView, step, waitForFunction} from '../../shared/helper.js';
 import {reloadDevTools} from '../helpers/cross-tool-helper.js';
 import {getDataGridRows} from '../helpers/datagrid-helpers.js';
 import {
@@ -75,6 +75,7 @@ describe('The Performance panel', function() {
     });
 
     await step('Validate source file is open via available link in selector stats table', async () => {
+      await scrollElementIntoView('devtools-linkifier');
       await click('devtools-linkifier');
       // Look at source tabs
       await validateSourceTabs();