diff --git a/tests/components/blebox/test_binary_sensor.py b/tests/components/blebox/test_binary_sensor.py
index 36258198d91..c9181762f3e 100644
--- a/tests/components/blebox/test_binary_sensor.py
+++ b/tests/components/blebox/test_binary_sensor.py
@@ -1,20 +1,21 @@
 """Blebox binary_sensor entities test."""
-from unittest.mock import PropertyMock
+from unittest.mock import AsyncMock, PropertyMock
 
 import blebox_uniapi
 import pytest
 
 from homeassistant.components.binary_sensor import BinarySensorDeviceClass
 from homeassistant.const import ATTR_DEVICE_CLASS, STATE_ON
+from homeassistant.core import HomeAssistant
 from homeassistant.helpers import device_registry as dr
 
 from .conftest import async_setup_entity, mock_feature
 
 
 @pytest.fixture(name="rainsensor")
-def airsensor_fixture():
+def airsensor_fixture() -> tuple[AsyncMock, str]:
     """Return a default air quality fixture."""
-    feature = mock_feature(
+    feature: AsyncMock = mock_feature(
         "binary_sensors",
         blebox_uniapi.binary_sensor.Rain,
         unique_id="BleBox-windRainSensor-ea68e74f4f49-0.rain",
@@ -24,10 +25,10 @@ def airsensor_fixture():
     product = feature.product
     type(product).name = PropertyMock(return_value="My rain sensor")
     type(product).model = PropertyMock(return_value="rainSensor")
-    return (feature, "binary_sensor.windrainsensor_0_rain")
+    return feature, "binary_sensor.windrainsensor_0_rain"
 
 
-async def test_init(rainsensor, hass, config):
+async def test_init(rainsensor: AsyncMock, hass: HomeAssistant, config: dict):
     """Test binary_sensor initialisation."""
     _, entity_id = rainsensor
     entry = await async_setup_entity(hass, config, entity_id)