bump it to 8 secs to see if it is a timing issue

Author: karangattu

tests/playwright/shiny/bookmark/chat/chatlas/test_bookmark_chatlas.py

@@ -13,7 +13,7 @@ def test_bookmark_chatlas(page: Page, local_app: ShinyAppProc):
     chat_controller = Chat(page, "chat")
 
     # adding the timeout to avoid webkit errors
-    chat_controller.expect_messages("Welcome!", timeout=2000)
+    chat_controller.expect_messages("Welcome!", timeout=8000)
 
     chat_controller.set_user_input("Testing")
     chat_controller.send_user_input()