def METHOD_NAME(self):
    dtype = h5py.special_dtype(vlen=str)
    d = numpy.array([u"i\u2661cookies"], dtype=dtype)
    d = self.create_dataset(data=d)
    result = self.read_dataset(d)
    self.assertEqual(len(result), 13)
    self.assertEqual(result, u'["i\u2661cookies"]')