Removal of old style class definitions in tests

tests/components/google_pubsub/test_pubsub.py

@@ -4,7 +4,7 @@
 from homeassistant.components.google_pubsub import DateTimeJSONEncoder as victim
 
 
-class TestDateTimeJSONEncoder(object):
+class TestDateTimeJSONEncoder:
     """Bundle for DateTimeJSONEncoder tests."""
 
     def test_datetime(self):

tests/components/mqtt/test_light_json.py

@@ -136,7 +136,7 @@
 }
 
 
-class JsonValidator(object):
+class JsonValidator:
     """Helper to compare JSON."""
 
     def __init__(self, jsondata):

tests/components/roku/__init__.py

@@ -12,7 +12,7 @@
 UPNP_SERIAL = "1GU48T017973"
 
 
-class MockDeviceInfo(object):
+class MockDeviceInfo:
     """Mock DeviceInfo for Roku."""
 
     model_name = NAME

tests/components/vizio/const.py

@@ -47,7 +47,7 @@
 PIN = "abcd"
 
 
-class MockStartPairingResponse(object):
+class MockStartPairingResponse:
     """Mock Vizio start pairing response."""
 
     def __init__(self, ch_type: int, token: int) -> None:
@@ -56,7 +56,7 @@ def __init__(self, ch_type: int, token: int) -> None:
         self.token = token
 
 
-class MockCompletePairingResponse(object):
+class MockCompletePairingResponse:
     """Mock Vizio complete pairing response."""
 
     def __init__(self, auth_token: str) -> None: