def METHOD_NAME():
    synapse = get_synapse()
    request = bittensor.proto.ForwardTextPromptingRequest()
    # Mock the signature checking of the context.
    context = MagicMock()
    context.invocation_metadata.return_value = {}
    synapse.axon = MagicMock()
    synapse.axon.auth_interceptor = MagicMock()
    synapse.axon.auth_interceptor.parse_signature.return_value = (
        None,
        None,
        "5CtstubuSoVLJGCXkiWRNKrrGg2DVBZ9qMs2qYTLsZR4q1Wg",
        None,
    )
    call = bittensor._synapse.text_prompting.synapse.SynapseForward(
        synapse, request, synapse.forward, context=context
    )
    priority = synapse.priority(call)
    assert priority == 0.0