Fix failed functional test due to wording change

Signed-off-by: Hailong Cui <ihailong@amazon.com>

test/functional/page_objects/header_page.ts

@@ -73,7 +73,7 @@ export function HeaderPageProvider({ getService, getPageObjects }: FtrProviderCo
     }
 
     public async clickStackManagement() {
-      await appsMenu.clickLink('Stack Management', { category: 'management' });
+      await appsMenu.clickLink('Dashboards Management', { category: 'management' });
       await this.awaitGlobalLoadingIndicatorHidden();
     }