diff --git a/tests/config/test_configtypes.py b/tests/config/test_configtypes.py
index 7138c6b93..7b356e5aa 100644
--- a/tests/config/test_configtypes.py
+++ b/tests/config/test_configtypes.py
@@ -1152,7 +1152,12 @@ class TestFont:
         'italic green "Foobar Neue"',
         'bold bold "Foobar Neue"',
         'bold italic "Foobar Neue"',
-        '10pt 20px "Foobar Neue"'
+        '10pt 20px "Foobar Neue"',
+        'bold',
+        'italic',
+        'green',
+        '10pt',
+        '10pt ""',
     ]
 
     @pytest.fixture(autouse=True)