Fix no data event triggers (#10049)

* Test including extra data on a no data trigger

* Match any dicts for default schema for event data

* Fix indentation

* Only check schema if one was configured

tests/components/automation/test_event.py

@@ -43,7 +43,7 @@ class TestAutomationEvent(unittest.TestCase):
             }
         })
 
-        self.hass.bus.fire('test_event')
+        self.hass.bus.fire('test_event', {'extra_key': 'extra_data'})
         self.hass.block_till_done()
         self.assertEqual(1, len(self.calls))