Github user ottobackwards commented on the issue: https://github.com/apache/nifi/pull/2672 I think making this consistent for testing is a good idea. The fact that the Mock classes in nifi can replicate the runtime behavior is very important to implementors. I think that the changes to the other processors might be better suited outside of this pr though. Also, I wouldn't mind seeing a comment or more comments in the Mock class referencing the runtime behavior they are enforcing.
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