'iframe in script should be filtered'

def test_iframe_in_script(self):

    content = '<script><iframe    src="data:text/plain,foo"></iframe></script>'
    expected = '&lt;script&gt;&lt;iframe    src="data:text/plain,foo"&gt;&lt;/iframe&gt;&lt;/script&gt;'
    result = Document.objects.clean_content(content)
    eq_(normalize_html(expected), normalize_html(result))
