diff --git a/tests/components/sonos/test_switch.py b/tests/components/sonos/test_switch.py
index d8499c50bb1..771045c13c1 100644
--- a/tests/components/sonos/test_switch.py
+++ b/tests/components/sonos/test_switch.py
@@ -122,6 +122,7 @@ async def test_switch_attributes(
 
     # Trigger subscription callback for speaker discovery
     await fire_zgs_event()
+    await hass.async_block_till_done(wait_background_tasks=True)
 
     status_light_state = hass.states.get(status_light.entity_id)
     assert status_light_state.state == STATE_ON