Ticket #79 (defect)

Got the following traceback when running the EnDue test suite:

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ERROR: test_Search (test_nav.NavigationTests)
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Traceback (most recent call last):
  File "C:\Python24\Lib\site-packages\cherrypy\test\webtest.py", line 272, in __call__
    self.tearDown()
  File "C:\Python24\Lib\site-packages\endue\tests\test_nav.py", line 137, in tearDown
    test.stop_store()
  File "C:\Python24\Lib\site-packages\endue\tests\test.py", line 17, in stop_store
    endue.arena.stores['master'].drop_database()
  File "C:\Python24\lib\site-packages\dejavu\storage\db.py", line 492, in drop_database
    self.db.drop_database()
  File "C:\Python24\Lib\site-packages\dejavu\storage\storeado.py", line 1052, in drop_database
    self.connection.shutdown()
  File "C:\Python24\lib\site-packages\dejavu\storage\geniusql.py", line 947, in shutdown
    self.close(self._conn)
  File "C:\Python24\Lib\site-packages\dejavu\storage\storeado.py", line 523, in_del_conn
    conn.Close()
  File "C:\Python24\Lib\site-packages\win32com\gen_py\EF53050B-882E-4776-B643-EDA472E8E3F2x0x2x7.py", line 2056, in Close
    return self._oleobj_.InvokeTypes(5, LCID, 1, (24, 0), (),)
com_error: (-2147352567, 'Exception occurred.', (0, 'ADODB.Connection', 'Operation cannot be performed while executing asynchronously.', 'C:\\WINDOWS\\HELP\\ADO270.CHM', 1240660, -2146824577), None)