def is_multigraph(self):
        return False
Test link header is forwarder when we send a message
dataset/ETHPy150Open networkx/networkx/networkx/classes/tests/timingclasses.py/TimingDiGraph.is_multigraph--crossover with--dataset/ETHPy150Open ebu/radiodns-plugit/RadioVisServer/tests.py/MainTests.test_message_forward_link