diff --git a/tests/components/moehlenhoff_alpha2/__init__.py b/tests/components/moehlenhoff_alpha2/__init__.py
index 90d6d88fedc..de0cc793479 100644
--- a/tests/components/moehlenhoff_alpha2/__init__.py
+++ b/tests/components/moehlenhoff_alpha2/__init__.py
@@ -1,21 +1,23 @@
 """Tests for the moehlenhoff_alpha2 integration."""
 
+from functools import partialmethod
 from unittest.mock import patch
 
+from moehlenhoff_alpha2 import Alpha2Base
 import xmltodict
 
 from homeassistant.components.moehlenhoff_alpha2.const import DOMAIN
 from homeassistant.const import CONF_HOST
 from homeassistant.core import HomeAssistant
 
-from tests.common import MockConfigEntry, load_fixture
+from tests.common import MockConfigEntry, async_load_fixture
 
 MOCK_BASE_HOST = "fake-base-host"
 
 
-async def mock_update_data(self):
+async def mock_update_data(self: Alpha2Base, hass: HomeAssistant) -> None:
     """Mock Alpha2Base.update_data."""
-    data = xmltodict.parse(load_fixture("static2.xml", DOMAIN))
+    data = xmltodict.parse(await async_load_fixture(hass, "static2.xml", DOMAIN))
     for _type in ("HEATAREA", "HEATCTRL", "IODEVICE"):
         if not isinstance(data["Devices"]["Device"][_type], list):
             data["Devices"]["Device"][_type] = [data["Devices"]["Device"][_type]]
@@ -26,7 +28,7 @@ async def init_integration(hass: HomeAssistant) -> MockConfigEntry:
     """Mock integration setup."""
     with patch(
         "homeassistant.components.moehlenhoff_alpha2.coordinator.Alpha2Base.update_data",
-        mock_update_data,
+        partialmethod(mock_update_data, hass),
     ):
         entry = MockConfigEntry(
             domain=DOMAIN,
diff --git a/tests/components/moehlenhoff_alpha2/test_config_flow.py b/tests/components/moehlenhoff_alpha2/test_config_flow.py
index 24697765901..dd96165ae39 100644
--- a/tests/components/moehlenhoff_alpha2/test_config_flow.py
+++ b/tests/components/moehlenhoff_alpha2/test_config_flow.py
@@ -1,5 +1,6 @@
 """Test the moehlenhoff_alpha2 config flow."""
 
+from functools import partialmethod
 from unittest.mock import patch
 
 from homeassistant import config_entries
@@ -24,7 +25,7 @@ async def test_form(hass: HomeAssistant) -> None:
     with (
         patch(
             "homeassistant.components.moehlenhoff_alpha2.config_flow.Alpha2Base.update_data",
-            mock_update_data,
+            partialmethod(mock_update_data, hass),
         ),
         patch(
             "homeassistant.components.moehlenhoff_alpha2.async_setup_entry",
@@ -54,7 +55,10 @@ async def test_form_duplicate_error(hass: HomeAssistant) -> None:
 
     assert config_entry.data["host"] == MOCK_BASE_HOST
 
-    with patch("moehlenhoff_alpha2.Alpha2Base.update_data", mock_update_data):
+    with patch(
+        "moehlenhoff_alpha2.Alpha2Base.update_data",
+        partialmethod(mock_update_data, hass),
+    ):
         result = await hass.config_entries.flow.async_init(
             DOMAIN,
             data={"host": MOCK_BASE_HOST},