docstr: Checks whether partial pos input still returns a proper position.
docstr_tok: ["Checks","whether","partial","pos","input","still","returns","a","proper","position","."]
code: def test_arf_layout_partial_input_test(self):
      """
      Checks whether partial pos input still returns a proper position.
      """
      G = self.Gs
      node = nx.utils.arbitrary_element(G)
      pos = nx.circular_layout(G)
      del pos[node]
      pos = nx.arf_layout(G, pos=pos)
      assert len(pos) == len(G)
  
imports: import pytest
  import networkx
label_desc: Use image node_id 30 for calling the TestLayout obj's underlying member method code with example usage: obj.test_arf_layout_partial_input_test() without return types