code: def test_list(self):
      assert_json_serializable([])
      assert_json_serializable([1])
      assert_json_serializable([1, 2])
      assert_json_serializable([1, "a", True, None])
  
imports: from graphistry.utils.json import assert_json_serializable
label_desc: Use image node_id 2 for calling the TestAssertJsonSerializable obj's underlying member method code with example usage: obj.test_list() without return types