Github user mattyb149 commented on a diff in the pull request:
https://github.com/apache/nifi/pull/2443#discussion_r164608075
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nifi-nar-bundles/nifi-mongodb-bundle/nifi-mongodb-processors/test-flows/NIFI_4827.xml
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@@ -0,0 +1,635 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
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I like the idea of having test flows, but maybe not in the codebase since
they aren't executed? I often put test flows up as a Gist on GitHub and refer
to it in the PR, so the reviewer can go there for a sample flow (which I try to
document inline with labels to explain what's going on)
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