code: def _make_mapped_queue(self, h):
      priority_dict = {elt: elt for elt in h}
      return MappedQueue(priority_dict)
  
imports: import pytest
  from networkx.utils.mapped_queue import MappedQueue, _HeapElement
label_desc: Use image node_id 1 for calling the TestMappedDict obj's underlying member method code with example usage: obj._make_mapped_queue(h) and returns: MappedQueue