docstr: Conversion from digraph to array to digraph.
code: def test_identity_digraph_array(self):
      """Conversion from digraph to array to digraph."""
      A = nx.to_numpy_array(self.G2)
      self.identity_conversion(self.G2, A, nx.DiGraph())
  
imports: import pytest
  import networkx
  from networkx.generators.classic import barbell_graph, cycle_graph, path_graph
  from networkx.utils import graphs_equal
label_desc: Use image node_id 7 for calling the TestConvertNumpyArray obj's underlying member method code with example usage: obj.test_identity_digraph_array() without return types