diff --git a/tests/unit/test_decision_engine.py b/tests/unit/test_decision_engine.py
index aad0176..58ce54c 100644
--- a/tests/unit/test_decision_engine.py
+++ b/tests/unit/test_decision_engine.py
@@ -162,6 +162,9 @@ def test_decision_for(select_list, ignore_list, error_code, expected):
             style_guide.Decision.Ignored),
         (defaults.SELECT, ['E126'], [], ['I'], 'I101',
             style_guide.Decision.Selected),
+        # This next one should exercise the catch-all return
+        (['E', 'W'], defaults.IGNORE, ['I'], [], 'I101',
+            style_guide.Decision.Selected),
     ]
 )
 def test_more_specific_decision_for_logic(select, ignore, extend_select,