diff --git a/tests/test_end_to_end_v2.py b/tests/test_end_to_end_v2.py
index e6f322c..56a4fad 100644
--- a/tests/test_end_to_end_v2.py
+++ b/tests/test_end_to_end_v2.py
@@ -10,8 +10,9 @@ from samsung_appliance.registry.adapter import build_runtime_descriptor
     ('dishwasher',   '10.0.0.129', 'dishwasher'),
     ('refrigerator', '10.0.0.254', 'refrigerator'),
 ])
-def test_full_pipeline_v2(name, ip, expected_type_key, request):
-    dump = json.load(open(f'local-tools/dumps/{ip}.json'))
+def test_full_pipeline_v2(name, ip, expected_type_key):
+    with open(f'local-tools/dumps/{ip}.json') as f:
+        dump = json.load(f)
     resources = _resources_from_dump(dump)
 
     otn = resources.get('/otninformation/vs/0', {})