'Tests that valid paging is passed along to underlying block'

@ddt.data([1, 'invalid'], ['invalid', 2])
@ddt.unpack
def test_invalid_paging(self, page_number, page_size):

    root_usage_key = self._create_vertical()
    self._get_container_preview_with_error(root_usage_key, 400, data={'enable_paging': 'true', 'page_number': page_number, 'page_size': page_size}, content_contains="Couldn't    parse    paging    parameters")
