public void ImmediateDescendantsReturnsChildrenOfTheNode(int node, int[] expectedImmediateDescendants) { var graph = GraphTestHelper.CreateExampleGraph_ForImmediateTests(TargetGraph); GraphTestHelper.AssertCollectionsConsistsOfNodes(expectedImmediateDescendants, graph.Find(node).ImmediateDescendants); GraphTestHelper.AssertNodesAreOrderedByLevel(graph.Find(node).ImmediateDescendants); }