def tearDown(self):
    self.db.close()
    del self.db
    self.env.close()
    del self.env
    test_support.rmtree(self.homeDir)
def tearDown(self):
    self.db.close()
    del self.db
    self.env.close()
    del self.env
    test_support.rmtree(self.homeDir)