diff --git a/tests/test-ext.yaml b/tests/test-ext.yaml
index b157ab1..ab2a3b1 100644
--- a/tests/test-ext.yaml
+++ b/tests/test-ext.yaml
@@ -1,6 +1,7 @@
 external_components:
   - source: github://GrKoR/esphome_aux_ac_component@dev
     components: [ aux_ac ]
+    refresh: 0s
 
 esphome:
   name: test_aux_ac_ext