code: def test_empty_graphs():
      for k in range(5, 25, 5):
          G = nx.empty_graph(k)
          for flow_func in flow_funcs:
              errmsg = (
                  f"Assertion failed in function: {flow_func.__name__}"
              )
              assert 0 == nx.node_connectivity(
                  G, flow_func=flow_func
              ), errmsg
              assert 0 == nx.edge_connectivity(
                  G, flow_func=flow_func
              ), errmsg
  
imports: import itertools
  import pytest
  import networkx
  from networkx.algorithms import flow
  from networkx.algorithms.connectivity import local_edge_connectivity, local_node_connectivity
label_desc: Use image node_id 9 for calling a global function with example usage: test_empty_graphs() without return types