Add category diagnostic to Surepetcare binary sensor (#57908)

homeassistant/components/surepetcare/binary_sensor.py

@@ -13,6 +13,7 @@ from homeassistant.components.binary_sensor import (
     BinarySensorEntity,
 )
 from homeassistant.config_entries import ConfigEntry
+from homeassistant.const import ENTITY_CATEGORY_DIAGNOSTIC
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
@@ -67,6 +68,7 @@ class Hub(SurePetcareBinarySensor):
     """Sure Petcare Hub."""
 
     _attr_device_class = DEVICE_CLASS_CONNECTIVITY
+    _attr_entity_category = ENTITY_CATEGORY_DIAGNOSTIC
 
     @property
     def available(self) -> bool:
@@ -116,6 +118,7 @@ class DeviceConnectivity(SurePetcareBinarySensor):
     """Sure Petcare Device."""
 
     _attr_device_class = DEVICE_CLASS_CONNECTIVITY
+    _attr_entity_category = ENTITY_CATEGORY_DIAGNOSTIC
 
     def __init__(
         self,