Replace custom URL wait with Playwright's wait_for_url

Removed the import and usage of the custom wait_for_url_change utility and replaced it with Playwright's built-in page.wait_for_url method for improved reliability and simplicity.

Author: karangattu

tests/playwright/ai_generated_apps/bookmark/accordion/test_accordion_bookmarking.py

@@ -3,9 +3,6 @@
 from shiny.playwright import controller
 from shiny.pytest import create_app_fixture
 from shiny.run import ShinyAppProc
-from tests.playwright.ai_generated_apps.bookmark.bookmark_utils import (
-    wait_for_url_change,
-)
 
 app = create_app_fixture(["app-express.py"])
 
@@ -27,7 +24,7 @@ def test_accordion_bookmarking_demo(page: Page, app: ShinyAppProc) -> None:
     bookmark_button = controller.InputBookmarkButton(page)
     bookmark_button.click()
 
-    wait_for_url_change(page, existing_url)
+    page.wait_for_url(lambda url: url != existing_url, timeout=5 * 1000)
 
     # reload page
     page.reload()
@@ -42,7 +39,7 @@ def test_accordion_bookmarking_demo(page: Page, app: ShinyAppProc) -> None:
 
     bookmark_button.click()
 
-    wait_for_url_change(page, existing_url)
+    page.wait_for_url(lambda url: url != existing_url, timeout=5 * 1000)
 
     # reload page
     page.reload()