def METHOD_NAME(self):
    path, nodes, namespace = "path", {1, 2, 3}, "namespace"
    command_context = mock.MagicMock()
    parent_context = config_utils.ConfigContext(path, nodes, command_context, namespace,)
    child = parent_context.build_child_context("child")
    assert_equal(child.path, "%s.child" % path)
    assert_equal(child.nodes, nodes)
    assert_equal(child.namespace, namespace)
    assert_equal(child.command_context, command_context)
    assert not child.partial