code: def test_relationship_path(es):
      log_to_sessions = Relationship(
          es, "sessions", "id", "log", "session_id"
      )
      sessions_to_customers = Relationship(
          es,
          "customers",
          "id",
          "sessions",
          "customer_id",
      )
      path_list = [
          (True, log_to_sessions),
          (True, sessions_to_customers),
          (False, sessions_to_customers),
      ]
      path = RelationshipPath(path_list)
  
      for i, edge in enumerate(path_list):
          assert path[i] == edge
  
      assert [edge for edge in path] == path_list
  
imports: from featuretools.entityset.relationship import Relationship, RelationshipPath
label_desc: Use image node_id 1 for calling a global function with example usage: test_relationship_path(es) without return types