Github user gaborgsomogyi commented on a diff in the pull request:
https://github.com/apache/spark/pull/20853#discussion_r175515840
--- Diff:
core/src/test/scala/org/apache/spark/deploy/SparkSubmitSuite.scala ---
@@ -105,11 +105,17 @@ class SparkSubmitSuite
// Necessary to make ScalaTest 3.x interrupt a thread on the JVM like
ScalaTest 2.2.x
implicit val defaultSignaler: Signaler = ThreadSignaler
+ var dir: File = null
--- End diff --
Most of the tests doesn't use this dir at all. Why create it for all the
tests?
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