Fixes unit test for previous BeanPropertyComparator changes:
Commit: d288d095bec7adcc5327f4abb125f01e58ce831c
Ignore NullPointerException when comparing bean properties
fixes https://github.com/rSmart/issues/issues/173

Commit: f86afd95a7a8c2b01ad9979dbd95d06b84e0cbb2
Ignore InvocationTargetException when comparing bean properties
fixes https://github.com/rSmart/issues/issues/173