diff --git a/tests/components/mqtt/test_discovery.py b/tests/components/mqtt/test_discovery.py
index 4d0b8457049..d2f6350a801 100644
--- a/tests/components/mqtt/test_discovery.py
+++ b/tests/components/mqtt/test_discovery.py
@@ -122,23 +122,24 @@ async def test_invalid_json(
         assert not mock_dispatcher_send.called
 
 
+@pytest.mark.parametrize("domain", [*list(mqtt.PLATFORMS), "device_automation", "tag"])
 @pytest.mark.no_fail_on_log_exception
-@patch("homeassistant.components.mqtt.PLATFORMS", [Platform.BINARY_SENSOR])
 async def test_discovery_schema_error(
     hass: HomeAssistant,
     mqtt_mock_entry: MqttMockHAClientGenerator,
     caplog: pytest.LogCaptureFixture,
+    domain: Platform | str,
 ) -> None:
     """Test unexpected error JSON config."""
     with patch(
-        "homeassistant.components.mqtt.binary_sensor.DISCOVERY_SCHEMA",
+        f"homeassistant.components.mqtt.{domain}.DISCOVERY_SCHEMA",
         side_effect=AttributeError("Attribute abc not found"),
     ):
         await mqtt_mock_entry()
         async_fire_mqtt_message(
             hass,
-            "homeassistant/binary_sensor/bla/config",
-            '{"name": "Beer", "state_topic": "ok"}',
+            f"homeassistant/{domain}/bla/config",
+            '{"name": "Beer", "some_topic": "bla"}',
         )
         await hass.async_block_till_done()
         assert "AttributeError: Attribute abc not found" in caplog.text