Update tests/util/test_macaroons.py

Co-authored-by: Patrick Cloke <clokep@users.noreply.github.com>

tests/util/test_macaroons.py

@@ -60,7 +60,7 @@ def test_delete_pusher_token(self):
         # Raises with another secret key
         with self.assertRaises(MacaroonVerificationFailedException):
             self.other_macaroon_generator.verify_delete_pusher_token(
-                token, "m.mail", "other@example.com"
+                token, "m.mail", "john@example.com"
             )
 
         # Raises when verifying for another pushkey