def METHOD_NAME(self):
    """Common part of all CRC tests
    Creates a flowgraph, a Message Debug block, and a PDU
    containing the numbers 0x00 through 0x0F.
    """
    self.tb = gr.top_block()
    self.dbg = blocks.message_debug()
    self.data = list(range(16))
    self.pdu = pmt.cons(pmt.PMT_NIL,
                        pmt.init_u8vector(len(self.data), self.data))