Update test to support % in filename

Signed-off-by: Chin Yeung Li <[email protected]>

Author: chinyeungli

tests/test_util.py

@@ -147,7 +147,7 @@ def test_invalid_chars_with_invalid_in_name_and_dir(self):
     def test_invalid_chars_in_file_name(self):
         name = '%657!1351()275612$_$asafg:~|[]{}+-.'
         result = util.invalid_chars(name)
-        expected = ['%', '!', '$', '$', ':']
+        expected = ['!', '$', '$', ':']
         assert expected == result
 
     def test_invalid_chars_with_space_is_valid(self):