Added test for Killer.url

Author: Galarzaa90

tests/tests_character.py

@@ -70,4 +70,5 @@ def testDeathTypes(self):
 
         spawn_invasion = Death("Galarza", 270, killers=[Killer("a demon"), Killer("Nezune", True)])
         self.assertEqual(spawn_invasion.killer, spawn_invasion.killers[0])
-        self.assertTrue(spawn_invasion.by_player)
+        self.assertIsNone(spawn_invasion.killer.url)
+        self.assertTrue(spawn_invasion.by_player)