def METHOD_NAME(self):
    """ Tags """
    X_in = (
        (1, 2, 3, 4),
        (5, 6, 7, 8),
    )
    A = (
        (0, 1),  # Flip them round
        (1, 0),
    )
    tag1 = gr.tag_t()
    tag1.offset = 0
    tag1.key = pmt.intern("in1")
    tag1.value = pmt.PMT_T
    tag2 = gr.tag_t()
    tag2.offset = 0
    tag2.key = pmt.intern("in2")
    tag2.value = pmt.PMT_T
    self.run_once(X_in, A, tpp=gr.TPP_ONE_TO_ONE, tags=(tag1, tag2))
    self.assertTrue(pmt.equal(tag1.key, self.the_tags[0][0].key))
    self.assertTrue(pmt.equal(tag2.key, self.the_tags[1][0].key))