code: def test_invalid_nodes_raise_error(asia_graph):
      """
      Test that graphs that have invalid nodes passed in raise errors.
      """
      # Check both set and node arguments
      with pytest.raises(nx.NodeNotFound):
          nx.is_d_separator(asia_graph, {0}, {1}, {2})
      with pytest.raises(nx.NodeNotFound):
          nx.is_d_separator(asia_graph, 0, 1, 2)
      with pytest.raises(nx.NodeNotFound):
          nx.is_minimal_d_separator(asia_graph, {0}, {1}, {2})
      with pytest.raises(nx.NodeNotFound):
          nx.is_minimal_d_separator(asia_graph, 0, 1, 2)
      with pytest.raises(nx.NodeNotFound):
          nx.find_minimal_d_separator(asia_graph, {0}, {1})
      with pytest.raises(nx.NodeNotFound):
          nx.find_minimal_d_separator(asia_graph, 0, 1)
  
imports: from itertools import combinations
  import pytest
  import networkx
label_desc: Use image node_id 24 for calling a global function with example usage: test_invalid_nodes_raise_error(asia_graph) without return types