'Verify is_cached(1) returns 0, then add something to the cache
and verify after a subsequent read from the cache that
is_cached(1) returns 1.'

@skip_if_disabled
def test_read(self):

    self._setup_fixture_file()
    buff = six.BytesIO()
    with self.cache.open_for_read(1) as cache_file:
        for chunk in cache_file:
            buff.write(chunk)
    self.assertEqual(FIXTURE_DATA, buff.getvalue())
