code: def test_view_pygraphviz_file_suffix(self, tmp_path):
      G = nx.complete_graph(3)
      path, A = nx.nx_agraph.view_pygraphviz(G, suffix=1, show=False)
      assert path[-6:] == "_1.png"
  
imports: import warnings
  import pytest
  import networkx
  from networkx.utils import edges_equal, graphs_equal, nodes_equal
label_desc: Use image node_id 10 for calling the TestAGraph obj's underlying member method code with example usage: obj.test_view_pygraphviz_file_suffix(tmp_path) without return types