code: def test_smoke_initial_pos_arf(self):
      pos = nx.circular_layout(self.Gi)
      npos = nx.arf_layout(self.Gi, pos=pos)
  
imports: import pytest
  import networkx
label_desc: Use image node_id 17 for calling the TestLayout obj's underlying member method code with example usage: obj.test_smoke_initial_pos_arf() without return types