re-enable skipped test

tests/test_page.py

@@ -1,8 +1,6 @@
 import asyncio
 from uuid import uuid4
 
-import pytest
-
 from nicegui import Client, task_logger, ui
 
 from .screen import PORT, Screen
@@ -133,7 +131,6 @@ def test_adding_elements_after_handshake(screen: Screen):
     screen.should_contain('after')
 
 
-@pytest.mark.skip(reason='maybe produces an error for later tests')
 def test_exception(screen: Screen):
     @ui.page('/')
     def page():