def test_existance(self):
        self.npc = self.area.new_npc()
        self.npc.characterize({'name': 'bobert'})
        self.assertTrue(self.npc in self.area.npcs.values())
Invoke list_insert() insert with index is of type string
dataset/ETHPy150Open shinymud/ShinyMUD/tests/shinytest/models/test_npc.py/TestNpc.test_existance--crossover with--dataset/ETHPy150Open aerospike/aerospike-client-python/test/new_tests/test_list_insert.py/TestListInsert.test_neg_list_insert_index_type_string