- Fix up the build_file_mask_string test by mocking out the __init__() method of the PresentationMediaItem class
- Change the way of calling the parent __init__() method to something slightly better (though it has nothing to do with the test)
- Fix up the build_file_mask_string test by mocking out the __init__() method of the PresentationMediaItem class
- Change the way of calling the parent __init__() method to something slightly better (though it has nothing to do with the test)