def METHOD_NAME():
    gfal_file = StringIO()
    local_file = StringIO()
    gfal_file.write('content')
    gfal_file.seek(0)
    with gfal2.mocked_gfal2(dumper, files={'srm://example.com/file': gfal_file}):
        dumper.gfal_download_to_file('srm://example.com/file', local_file)
    local_file.seek(0)
    assert local_file.read() == 'content'