code: def test_find_backward_paths_multiple_paths(diamond_es):
      paths = list(
          diamond_es.find_backward_paths("regions", "transactions")
      )
      assert len(paths) == 2
  
      path1, path2 = paths
  
      r1, r2 = path1
      assert r1._child_dataframe_name == "stores"
      assert r1._parent_dataframe_name == "regions"
      assert r2._child_dataframe_name == "transactions"
      assert r2._parent_dataframe_name == "stores"
  
      r1, r2 = path2
      assert r1._child_dataframe_name == "customers"
      assert r1._parent_dataframe_name == "regions"
      assert r2._child_dataframe_name == "transactions"
      assert r2._parent_dataframe_name == "customers"
  
imports: import pandas
  import pytest
  from featuretools import EntitySet
  from featuretools.tests.testing_utils import backward_path, forward_path
label_desc: Use image node_id 18 for calling a global function with example usage: test_find_backward_paths_multiple_paths(diamond_es) without return types