Fix VeSync zero fan speed handling (home-assistant#153493)

Co-authored-by: Joostlek <[email protected]>

Author: 2 people

homeassistant/components/vesync/fan.py

@@ -100,8 +100,9 @@ def percentage(self) -> int | None:
         """Return the currently set speed."""
 
         current_level = self.device.state.fan_level
-
         if self.device.state.mode == VS_FAN_MODE_MANUAL and current_level is not None:
+            if current_level == 0:
+                return 0
             return ordered_list_item_to_percentage(
                 self.device.fan_levels, current_level
             )

tests/components/vesync/common.py

@@ -147,17 +147,6 @@ def mock_multiple_device_responses(
         )
 
 
-def mock_air_purifier_400s_update_response(aioclient_mock: AiohttpClientMocker) -> None:
-    """Build a response for the Helpers.call_api method for air_purifier_400s with updated data."""
-
-    device_name = "Air Purifier 400s"
-    for fixture in DEVICE_FIXTURES[device_name]:
-        getattr(aioclient_mock, fixture[0])(
-            f"https://smartapi.vesync.com{fixture[1]}",
-            json=load_json_object_fixture("air-purifier-detail-updated.json", DOMAIN),
-        )
-
-
 def mock_device_response(
     aioclient_mock: AiohttpClientMocker, device_name: str, override: Any
 ) -> None: