diff --git a/tests/test1.yaml b/tests/test1.yaml
index 8fdcdd57ea..1080c84ca1 100644
--- a/tests/test1.yaml
+++ b/tests/test1.yaml
@@ -502,6 +502,11 @@ sensor:
       name: "Living Room Humidity 8"
     address: 0x44
     update_interval: 15s
+  - platform: sts3x
+    temperature:
+      name: "Living Room Temperature 9"
+    address: 0x4A
+    update_interval: 15s
   - platform: template
     name: "Template Sensor"
     id: template_sensor