Additionally, I am not sure if you know there is this method (1) so just implement your own ResourceIdentifier (2) and set it via this method. 

(1) https://github.com/smiklosovic/arquillian-unified-recorder/blob/master/arquillian-recorder/arquillian-recorder-api/src/main/java/org/arquillian/extension/recorder/DefaultFileNameBuilder.java#L65
(2) https://github.com/smiklosovic/arquillian-unified-recorder/blob/master/arquillian-recorder/arquillian-recorder-api/src/main/java/org/arquillian/extension/recorder/DefaultFileNameBuilder.java#L105