Trying to assert for no changes to a Changes variable causes NPE at [Descriptions.java:79](https://github.com/joel-costigliola/assertj-db/blob/master/src/main/java/org/assertj/db/util/Descriptions.java#L79). This is for that the `Changes.getRequest()` can return `null`.
Trying to assert for no changes to a Changes variable causes NPE at Descriptions.java:79. This is for that the
Changes.getRequest()can returnnull.