Use common doctest_dropdb

review2151002

tests/test_stock.py

@@ -17,8 +17,7 @@ from dateutil.relativedelta import relativedelta
 from functools import partial
 import trytond.tests.test_tryton
 from trytond.tests.test_tryton import POOL, DB_NAME, USER, CONTEXT, test_view,\
-    test_depends
-from trytond.backend.sqlite.database import Database as SQLiteDatabase
+    test_depends, doctest_dropdb
 from trytond.transaction import Transaction
 
 
@@ -622,19 +621,6 @@ class StockTestCase(unittest.TestCase):
             self.assertRaises(Exception, self.period.close, [period])
 
 
-def doctest_dropdb(test):
-    '''
-    Remove sqlite memory database
-    '''
-    database = SQLiteDatabase().connect()
-    cursor = database.cursor(autocommit=True)
-    try:
-        database.drop(cursor, ':memory:')
-        cursor.commit()
-    finally:
-        cursor.close()
-
-
 def suite():
     suite = trytond.tests.test_tryton.suite()
     from trytond.modules.company.tests import test_company