Common: Define del_key() in terms of MutableMapping.pop()

monkey/common/utils/code_utils.py

@@ -44,7 +44,4 @@ def del_key(mapping: MutableMapping[T, Any], key: T):
     :param mapping: A mapping from which a key will be deleted
     :param key: A key to delete from `mapping`
     """
-    try:
-        del mapping[key]
-    except KeyError:
-        pass
+    mapping.pop(key, None)

monkey/tests/unit_tests/common/utils/test_code_utils.py

@@ -35,8 +35,11 @@ def test_del_key__deletes_key():
 def test_del_key__nonexistant_key():
     key_to_delete = "a"
     my_dict = {"a": 1, "b": 2}
+    assert key_to_delete in my_dict
 
     del_key(my_dict, key_to_delete)
+    assert key_to_delete not in my_dict
 
     # This test passes if the following call does not raise an error
     del_key(my_dict, key_to_delete)
+    assert key_to_delete not in my_dict