Wrap found target in list (#3809)

* Wrap found target in list

* Fix test_messages_to_targets_route

homeassistant/components/notify/__init__.py

@@ -100,7 +100,7 @@ def setup(hass, config):
                 kwargs[ATTR_TITLE] = title.render()
 
             if targets.get(call.service) is not None:
-                kwargs[ATTR_TARGET] = targets[call.service]
+                kwargs[ATTR_TARGET] = [targets[call.service]]
             else:
                 kwargs[ATTR_TARGET] = call.data.get(ATTR_TARGET)
 

tests/components/notify/test_demo.py

@@ -152,7 +152,7 @@ data_template:
 
         assert {
             'message': 'my message',
-            'target': 'test target id',
+            'target': ['test target id'],
             'title': 'my title',
             'data': {'hello': 'world'}
         } == data