There's no error in your logs? I get:

```
ada:thinkup gina$ php webapp/plugins/insightsgenerator/tests/TestOfInsightPluginParent.php
TestOfInsightPluginParent.php
PHP Fatal error:  Call to a member function getInsight() on a non-object in /thinkup/webapp/plugins/insightsgenerator/model/class.InsightPluginParent.php on line 78

Fatal error: Call to a member function getInsight() on a non-object in /thinkup/webapp/plugins/insightsgenerator/model/class.InsightPluginParent.php on line 78
```