def METHOD_NAME(running_config, merge_config):
    expected_diff = textwrap.dedent(
        """\
        @@ -10,3 +10,8 @@
          no ip address
          shutdown
          negotiation auto
        +router bgp 65000
        + bgp log-neighbor-changes
        + neighbor 1.1.1.1 remote-as 12345
        +virtual-service csr_mgmt
        +ip forward-protocol nd
    """
    )
    diff = iosconfig.merge_diff(
        initial_config=running_config, merge_config=merge_config
    )
    assert diff.splitlines()[2:] == expected_diff.splitlines()