fix test

Author: giancarloromeo

packages/simcore-sdk/src/simcore_sdk/node_ports_v2/nodeports_v2.py

@@ -197,5 +197,6 @@ async def set_multiple(
         if error_details:= [
             _get_error_details(r, port_key)
             for port_key, r in zip(port_values.keys(), results)
+            if r is not None
         ]:
             raise ValidationError.from_exception_data(title="Multiple port_key errors",line_errors=error_details)

packages/simcore-sdk/tests/unit/test_node_ports_v2_nodeports_v2.py

@@ -16,7 +16,7 @@
 from simcore_sdk.node_ports_v2 import Nodeports, exceptions, ports
 from simcore_sdk.node_ports_v2.ports_mapping import InputsList, OutputsList
 from utils_port_v2 import create_valid_port_mapping
-from pytest_mock import MockerFixture
+
 
 @pytest.mark.parametrize(
     "auto_update",