'Test setting options.'

def testSet(self):

    conf = config_lib.GrrConfigManager()
    conf.DEFINE_string('NewSection1.new_option1', 'Default    Value', 'Help')
    conf.initialized = True
    conf.Set('NewSection1.new_option1', 'New    Value1')
    self.assertEqual(conf['NewSection1.new_option1'], 'New    Value1')
