fix test case

Author: radium-v

packages/web-components/src/tablist/tablist.spec.ts

@@ -162,7 +162,7 @@ test.describe('Tablist', () => {
       const element = page.locator('fluent-tablist');
       const tabs = element.locator('fluent-tab');
 
-      page.setContent(/* html */ `
+      await page.setContent(/* html */ `
         <fluent-tablist>
             <fluent-tab>Tab one</fluent-tab>
             <fluent-tab>Tab two</fluent-tab>