another attempt to ignore 3rd party warnings

Author: huettenhain

pytest.ini

@@ -3,4 +3,7 @@ markers =
     clipboard: tests that access the clipboard
     cosmetics: tests style guide and other cosmetics
 filterwarnings =
-    ignore::DeprecationWarning:.*site-packages.*
+    ignore::DeprecationWarning:defusedxml
+    ignore::DeprecationWarning:defusedxml\..*
+    ignore::DeprecationWarning:oletools
+    ignore::DeprecationWarning:oletools\..*