diff --git a/tests/components/template/common-base.yaml b/tests/components/template/common-base.yaml
index 22bf17c0840..16a4979f377 100644
--- a/tests/components/template/common-base.yaml
+++ b/tests/components/template/common-base.yaml
@@ -296,6 +296,11 @@ button:
           id(template_climate_custom_modes).set_supported_custom_presets(presets);
           id(template_climate_custom_modes).set_supported_custom_presets({"eco_plus"});
           id(template_climate_custom_modes).set_supported_custom_fan_modes({});
+          std::vector<const char *> new_fan_modes{"turbo", "silent"};
+          id(template_climate_custom_modes).set_supported_custom_fan_modes(new_fan_modes);
+          static const char *const MODES[] = {"turbo", "silent"};
+          id(template_climate_custom_modes).set_supported_custom_fan_modes(MODES);
+          id(template_climate_custom_modes).set_supported_custom_presets(MODES);
 
 cover:
   - platform: template