(hopefully) improve test stability by bumping up time limits

nicegui/helpers.py

@@ -44,7 +44,7 @@ def is_port_open(host: str, port: int) -> bool:
     sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
     try:
         sock.connect((host, port))
-    except ConnectionRefusedError, TimeoutError:
+    except (ConnectionRefusedError, TimeoutError):
         return False
     else:
         return True

tests/test_helpers.py

@@ -43,7 +43,7 @@ def test_schedule_browser(monkeypatch):
 
             sock.listen()
             # port opened
-            time.sleep(0.2)
+            time.sleep(1)
             assert called_with_url == f"http://{host}:{port}/"
         finally:
             cancel_event.set()
@@ -70,7 +70,7 @@ def test_schedule_browser_cancel(monkeypatch):
 
     cancel_event.set()
 
-    time.sleep(0.2)
+    time.sleep(1)
 
     assert not thread.is_alive()
     assert called_with_url is None