🐛 fixed comparison of values

Author: manuel-sommer

drheader/validators/header_validator.py

@@ -63,13 +63,13 @@ def validate_value(self, config, header, directive=None):
             header_items_without_ma = []
             for item in header_items:
                 if "max-age" not in item:
-                    header_items_without_ma.append(item)
+                    header_items_without_ma.append(item.lower())
                 else:
                     header_items_ma = item.split("max-age=")[1]
             expected_without_ma = []
             for expect in expected:
                 if "max-age" not in expect:
-                    expected_without_ma.append(expect)
+                    expected_without_ma.append(expect.lower())
                 else:
                     expected_ma = expect.split("max-age=")[1]
             if header_items_without_ma != expected_without_ma or int(header_items_ma) < int(expected_ma):