diff --git a/tests/components/bluetooth/test_models.py b/tests/components/bluetooth/test_models.py
index 820fa734f73..d36741b4d5d 100644
--- a/tests/components/bluetooth/test_models.py
+++ b/tests/components/bluetooth/test_models.py
@@ -107,6 +107,7 @@ async def test_wrapped_bleak_client_local_adapter_only(hass: HomeAssistant) -> N
         "00:00:00:00:00:01",
         "hci0",
     )
+    # pylint: disable-next=attribute-defined-outside-init
     scanner.connectable = True
     cancel = manager.async_register_scanner(scanner)
     inject_advertisement_with_source(
diff --git a/tests/components/harmony/conftest.py b/tests/components/harmony/conftest.py
index 97449749667..1e6bbd7a3c3 100644
--- a/tests/components/harmony/conftest.py
+++ b/tests/components/harmony/conftest.py
@@ -50,6 +50,7 @@ class FakeHarmonyClient:
         self, ip_address: str = "", callbacks: ClientCallbackType = MagicMock()
     ):
         """Initialize FakeHarmonyClient class to capture callbacks."""
+        # pylint: disable=attribute-defined-outside-init
         self._activity_name = "Watch TV"
         self.close = AsyncMock()
         self.send_commands = AsyncMock()
diff --git a/tests/components/network/test_init.py b/tests/components/network/test_init.py
index e57b3242e8c..57a12868d0a 100644
--- a/tests/components/network/test_init.py
+++ b/tests/components/network/test_init.py
@@ -36,6 +36,7 @@ def _mock_cond_socket(sockname):
     class CondMockSock(MagicMock):
         def connect(self, addr):
             """Mock connect that stores addr."""
+            # pylint: disable-next=attribute-defined-outside-init
             self._addr = addr[0]
 
         def getsockname(self):
diff --git a/tests/components/sonos/conftest.py b/tests/components/sonos/conftest.py
index bfece59ff9c..478443fff76 100644
--- a/tests/components/sonos/conftest.py
+++ b/tests/components/sonos/conftest.py
@@ -467,6 +467,7 @@ def music_library_fixture(
 def alarm_clock_fixture():
     """Create alarmClock fixture."""
     alarm_clock = SonosMockService("AlarmClock")
+    # pylint: disable-next=attribute-defined-outside-init
     alarm_clock.ListAlarms = Mock()
     alarm_clock.ListAlarms.return_value = {
         "CurrentAlarmListVersion": "RINCON_test:14",
@@ -484,6 +485,7 @@ def alarm_clock_fixture():
 def alarm_clock_fixture_extended():
     """Create alarmClock fixture."""
     alarm_clock = SonosMockService("AlarmClock")
+    # pylint: disable-next=attribute-defined-outside-init
     alarm_clock.ListAlarms = Mock()
     alarm_clock.ListAlarms.return_value = {
         "CurrentAlarmListVersion": "RINCON_test:15",
diff --git a/tests/components/yeelight/__init__.py b/tests/components/yeelight/__init__.py
index 6c940b0b229..8dc2acef416 100644
--- a/tests/components/yeelight/__init__.py
+++ b/tests/components/yeelight/__init__.py
@@ -132,6 +132,7 @@ class MockAsyncBulb:
 
 
 def _mocked_bulb(cannot_connect=False):
+    # pylint: disable=attribute-defined-outside-init
     bulb = MockAsyncBulb(MODEL, BulbType.Color, cannot_connect)
     type(bulb).async_get_properties = AsyncMock(
         side_effect=BulbException if cannot_connect else None
diff --git a/tests/helpers/test_entity.py b/tests/helpers/test_entity.py
index d105ffad791..a8524d73a5d 100644
--- a/tests/helpers/test_entity.py
+++ b/tests/helpers/test_entity.py
@@ -107,6 +107,7 @@ async def test_async_update_support(hass: HomeAssistant) -> None:
         """Async update."""
         async_update.append(1)
 
+    # pylint: disable-next=attribute-defined-outside-init
     ent.async_update = async_update_func
 
     await ent.async_update_ha_state(True)
diff --git a/tests/helpers/test_entity_platform.py b/tests/helpers/test_entity_platform.py
index 55b5d98fd30..986c3e5493e 100644
--- a/tests/helpers/test_entity_platform.py
+++ b/tests/helpers/test_entity_platform.py
@@ -94,8 +94,10 @@ async def test_polling_check_works_if_entity_add_fails(
             return self.hass.data is not None
 
     working_poll_ent = MockEntityNeedsSelfHassInShouldPoll(should_poll=True)
+    # pylint: disable-next=attribute-defined-outside-init
     working_poll_ent.async_update = AsyncMock()
     broken_poll_ent = MockEntityNeedsSelfHassInShouldPoll(should_poll=True)
+    # pylint: disable-next=attribute-defined-outside-init
     broken_poll_ent.async_update = AsyncMock(side_effect=Exception("Broken"))
 
     await component.async_add_entities(
diff --git a/tests/helpers/test_schema_config_entry_flow.py b/tests/helpers/test_schema_config_entry_flow.py
index 4db56a91c11..877e3762d3b 100644
--- a/tests/helpers/test_schema_config_entry_flow.py
+++ b/tests/helpers/test_schema_config_entry_flow.py
@@ -68,7 +68,9 @@ def manager_fixture():
             return result
 
     mgr = FlowManager(None)
+    # pylint: disable-next=attribute-defined-outside-init
     mgr.mock_created_entries = entries
+    # pylint: disable-next=attribute-defined-outside-init
     mgr.mock_reg_handler = handlers.register
     return mgr
 
diff --git a/tests/test_data_entry_flow.py b/tests/test_data_entry_flow.py
index 312e2be7602..11e36e8f718 100644
--- a/tests/test_data_entry_flow.py
+++ b/tests/test_data_entry_flow.py
@@ -47,7 +47,9 @@ def manager():
             return result
 
     mgr = FlowManager(None)
+    # pylint: disable-next=attribute-defined-outside-init
     mgr.mock_created_entries = entries
+    # pylint: disable-next=attribute-defined-outside-init
     mgr.mock_reg_handler = handlers.register
     return mgr