docstr: ...Test that an attribute declared in doc (but not in _attrinfos) is
  not unexisting
docstr_tok: ["...","Test","that","an","attribute","declared","in","doc","(","but","not","in","_attrinfos",")","is","not","unexisting"]
code: def test_attr_declared_in_doc(self):
      """...Test that an attribute declared in doc (but not in _attrinfos) is
      not unexisting
      """
      self.a0.update_time = self.a0._get_now()
      self.assertIsNotNone(self.a0.update_time)
  
imports: import sys
  import unittest
  from tick.base import Base
  from tick.base.build.base import A0
label_desc: Use image node_id 7 for calling the Test obj's underlying member method code with example usage: obj.test_attr_declared_in_doc() without return types