docstr: Verifies that connection methods check whether base class __init__ was
  called.
code: def test_connection_constructor_call_check(self):
      """
      Verifies that connection methods check whether base class __init__ was
      called.
      """
  
      class Connection(sqlite.Connection):
          def __init__(self, name):
              pass
  
      con = Connection(":memory:")
      with self.assertRaises(sqlite.ProgrammingError):
          cur = con.cursor()
  
imports: import datetime
  import unittest
  import sqlite3
  import weakref
  import functools
  from test import support
  from unittest.mock import patch
  from .util import memory_database, cx_limit
  from .util import MemoryDatabaseMixin
label_desc: Use image node_id 16 for calling the RegressionTests obj's underlying member method code with example usage: obj.test_connection_constructor_call_check() without return types