Add missing requirement for tests

tonyroberts · tonyroberts · commit 4530a20447db · 2025-10-13T16:32:03.000+01:00
diff --git a/requirements.test.txt b/requirements.test.txt
@@ -3,4 +3,5 @@ pytest-asyncio
 pytest-homeassistant-custom-component
 pywundasmart
 xmltodict
-tzdata
+tzdata
+icmplib
