@Test
public void testOpen() {

    chatConfig.granularityMins = 1;
    chatConfig.startDate = DateTime.now().toString();
    stormConf.put(ConfigurationConstants.CHATALYTICS_CONFIG.txt, YamlUtils.writeYaml(config));
    underTest.open(stormConf, context, collector);
    verifyZeroInteractions(collector, context);
}