From 13250897ad847902f5f4670b60864dcf1ed0c34c Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@home-assistant.io>
Date: Sun, 26 Apr 2026 21:47:52 -0500
Subject: [PATCH] [light] Add dim_relative test case with transition_length

---
 tests/components/light/common.yaml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tests/components/light/common.yaml b/tests/components/light/common.yaml
index e1216e7b60b..e58f7baee4b 100644
--- a/tests/components/light/common.yaml
+++ b/tests/components/light/common.yaml
@@ -108,6 +108,10 @@ esphome:
           relative_brightness: 5%
           brightness_limits:
             max_brightness: 90%
+      - light.dim_relative:
+          id: test_monochromatic_light
+          relative_brightness: -5%
+          transition_length: 250ms
       - light.turn_on:
           id: test_addressable_transition
           brightness: 50%