Github user dongjoon-hyun commented on a diff in the pull request:
https://github.com/apache/spark/pull/22337#discussion_r216174661
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/streaming/FlatMapGroupsWithStateSuite.scala
---
@@ -54,8 +54,11 @@ class FlatMapGroupsWithStateSuite extends
StateStoreMetricsTest
import FlatMapGroupsWithStateSuite._
--- End diff --
Here, too. `with BeforeAndAfterAll` and `override def afterAll()` are
redundant.
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