def METHOD_NAME(source, target, request):
    cli = request.getfixturevalue(f"peer_salt_minion_{source}").salt_call_cli()
    tgt = request.getfixturevalue(f"peer_salt_minion_{target}").id
    ret = cli.run("publish.publish", tgt, "grains.get", "hello_peer")
    assert ret.returncode == 0
    assert ret.data == {}