Github user jbertram commented on the pull request: https://github.com/apache/activemq-artemis/commit/6470e7e64d883282624619adc9d4816fa1688a1e#commitcomment-27608249 I believe the build is triggered for every PR and then for every merge as well. I'm not sure there's a way to differentiate between PRs and other kinds of builds. I don't think we'd want to run the full test-suite that often.
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