def METHOD_NAME():
    "Wait for protocol convergence"
    tgen = get_topogen()
    # Don't run this test if we have any failure.
    if tgen.routers_have_failure():
        pytest.skip(tgen.errors)
    # tgen.mininet_cli();
    r1 = tgen.gears["r1"]
    r2 = tgen.gears["r2"]
    # Check r1 gets prefix 192.168.2.2/32
    test_func = functools.partial(
        check_show_ip_label_prefix_found,
        tgen.gears["r1"],
        "ip",
        "192.168.2.2/32",
        "0",
    )
    success, result = topotest.run_and_expect(test_func, None, count=10, wait=0.5)
    assert success, "r1, prefix 192.168.2.2/32 from r2 not present"
    # Check r2 gets prefix 192.168.2.1/32
    test_func = functools.partial(
        check_show_ip_label_prefix_found,
        tgen.gears["r2"],
        "ip",
        "192.168.2.1/32",
        "0",
    )
    success, result = topotest.run_and_expect(test_func, None, count=10, wait=0.5)
    assert success, "r2, prefix 192.168.2.1/32 from r1 not present"