Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/4337#discussion_r24897563
--- Diff:
external/mqtt/src/test/scala/org/apache/spark/streaming/mqtt/MQTTStreamSuite.scala
---
@@ -113,7 +115,8 @@ class MQTTStreamSuite extends FunSuite with Eventually
with BeforeAndAfter {
}
private def findFreePort(): Int = {
--- End diff --
I wonder if this can be refactored rather than duplicated? don't bother
unless there is clearly a good common home for it in test code. I don't know if
there is.
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