def METHOD_NAME():
    """
    Test deep merging of dicts not in place.
    """
    src = {"nested_dict": {"A": "A"}}
    dest = {"nested_dict": {"B": "B"}}
    dest_orig = {"nested_dict": {"B": "B"}}
    merged = {"nested_dict": {"A": "A", "B": "B"}}
    final = defaults.merge(dest, src, in_place=False)
    assert dest == dest_orig
    assert final == merged