Fix missing device trackers after initial setup in devolo Home Network (#179327)

homeassistant/components/devolo_home_network/device_tracker.py

@@ -75,6 +75,7 @@ async def async_setup_entry(
         async_add_entities(missing)
 
     restore_entities()
+    new_device_callback()
     entry.async_on_unload(
         coordinators[CONNECTED_WIFI_CLIENTS].async_add_listener(new_device_callback)
     )

tests/components/devolo_home_network/test_device_tracker.py

@@ -10,7 +10,7 @@ from syrupy.assertion import SnapshotAssertion
 from homeassistant.components.device_tracker import DOMAIN as DEVICE_TRACKER_DOMAIN
 from homeassistant.components.devolo_home_network.const import (
     DOMAIN,
-    LONG_UPDATE_INTERVAL,
+    SHORT_UPDATE_INTERVAL,
 )
 from homeassistant.const import STATE_NOT_HOME, STATE_UNAVAILABLE
 from homeassistant.core import HomeAssistant
@@ -40,16 +40,13 @@ async def test_device_tracker(
     entry = configure_integration(hass)
     await hass.config_entries.async_setup(entry.entry_id)
     await hass.async_block_till_done()
-    freezer.tick(LONG_UPDATE_INTERVAL)
-    async_fire_time_changed(hass)
-    await hass.async_block_till_done()
     assert hass.states.get(entity_id) == snapshot
 
     # Emulate state change
     mock_device.device.async_get_wifi_connected_station = AsyncMock(
         return_value=NO_CONNECTED_STATIONS
     )
-    freezer.tick(LONG_UPDATE_INTERVAL)
+    freezer.tick(SHORT_UPDATE_INTERVAL)
     async_fire_time_changed(hass)
     await hass.async_block_till_done()
 
@@ -61,7 +58,7 @@ async def test_device_tracker(
     mock_device.device.async_get_wifi_connected_station = AsyncMock(
         side_effect=DeviceUnavailable
     )
-    freezer.tick(LONG_UPDATE_INTERVAL)
+    freezer.tick(SHORT_UPDATE_INTERVAL)
     async_fire_time_changed(hass)
     await hass.async_block_till_done()