def METHOD_NAME(self):
    # Check for missing ITEM definitions
    tf = tempfile.NamedTemporaryFile(mode="w")
    tf.write('TELEMETRY tgt1 pkt1 LITTLE_ENDIAN "Packet"\n')
    tf.write("  FORMAT_STRING\n")
    tf.seek(0)
    with self.assertRaisesRegex(
        ConfigParser.Error, "No current item for FORMAT_STRING"
    ):
        self.pc.process_file(tf.name, "TGT1")
    tf.close()