def METHOD_NAME(self, dtype):
    dp_a = dpnp.arange(4, dtype=dtype)
    dp_a = dp_a[:, dpnp.newaxis] + dp_a[dpnp.newaxis, :]
    assert_equal(dpnp.flip(dp_a, 1), dpnp.fliplr(dp_a))
    np_a = numpy.arange(4, dtype=dtype)
    np_a = numpy.add.outer(np_a, np_a)
    assert_equal(dpnp.flip(dp_a, 1), numpy.flip(np_a, 1))