fix unit test

Author: tswast

tests/unit/_config/test_threaded_options.py

@@ -37,5 +37,5 @@ def mutate_options_threaded(options, result_dict):
 
     assert result_dict["this_before"] == 50
     assert result_dict["this_after"] == 50
-    assert result_dict["other_before"] == 25
+    assert result_dict["other_before"] == 10
     assert result_dict["other_after"] == 100