tests/unit_tests: sync unit tests after model changes (error_code field)

Fixes: #476

Signed-off-by: Paweł Wieczorek <[email protected]>

Author: pawiecz

tests/unit_tests/test_node_handler.py

@@ -69,6 +69,7 @@ def test_create_node_endpoint(mock_db_create, mock_publish_cloudevent,
         'created',
         'data',
         'debug',
+        'error_code',
         'group',
         'holdoff',
         'kind',
@@ -221,6 +222,7 @@ def test_get_node_by_id_endpoint(mock_db_find_by_id,
         'created',
         'data',
         'debug',
+        'error_code',
         'group',
         'holdoff',
         'kind',