From 824ec0c95cb39d224df8806d1f5325dbfacc652a Mon Sep 17 00:00:00 2001
From: Benjamin Kirkbride <benjaminkirkbride@gmail.com>
Date: Fri, 7 Jul 2023 18:13:41 -0400
Subject: [PATCH] moderate improvement to useful test

---
 tests/test_actions.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tests/test_actions.py b/tests/test_actions.py
index 0cf718537..711e8440d 100644
--- a/tests/test_actions.py
+++ b/tests/test_actions.py
@@ -22,3 +22,8 @@ def test_action_registry():
         assert action in all_actions.values()
 
     assert actions.query_actions("nonexistent action") is None
+
+    all_actions["garbage"] = "mean lean fighting machine"  # type: ignore
+    assert (
+        actions.query_actions("garbage") is None
+    ), "`all_actions` should be a copy, changes to it should not effect `_actions`"