code: def test_fewer_edge_colors_than_num_edges_directed():
      """Test that the edge colors are cycled when there are fewer specified
      colors than edges."""
      G = barbell.to_directed()
      pos = nx.random_layout(barbell)
      edgecolors = ("r", "g", "b")
      drawn_edges = nx.draw_networkx_edges(
          G, pos, edge_color=edgecolors
      )
      for fap, expected in zip(
          drawn_edges, itertools.cycle(edgecolors)
      ):
          assert mpl.colors.same_color(fap.get_edgecolor(), expected)
  
imports: import itertools
  import os
  import warnings
  import pytest
  import networkx
label_desc: Use image node_id 8 for calling a global function with example usage: test_fewer_edge_colors_than_num_edges_directed() without return types