Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/18537#discussion_r125597428
--- Diff:
mllib/src/test/scala/org/apache/spark/ml/recommendation/ALSSuite.scala ---
@@ -777,15 +778,34 @@ class ALSSuite
}
}
-class ALSCleanerSuite extends SparkFunSuite {
+class ALSCleanerSuite extends SparkFunSuite with BeforeAndAfterEach {
+
+ private var localDir: File = _
--- End diff --
Yea, but to be more clear, I guess that is cached to `Utils.localRootDirs`
when we call `Utils.getLocalDir` first. So, `Utils.localRootDirs` has a kind of
the state actually but yea it sounds best to not have a state in _test class_.
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