Github user andrewor14 commented on a diff in the pull request:
https://github.com/apache/spark/pull/8111#discussion_r36926949
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/test/TestHiveContext.scala ---
@@ -37,39 +38,36 @@ import org.apache.spark.sql.execution.CacheTableCommand
import org.apache.spark.sql.hive._
import org.apache.spark.sql.hive.execution.HiveNativeCommand
import org.apache.spark.util.Utils
-import org.apache.spark.{SparkConf, SparkContext}
/* Implicit conversions */
import scala.collection.JavaConversions._
-// SPARK-3729: Test key required to check for initialization errors with
config.
-object TestHive
--- End diff --
do you mean outside of Spark? The point is to never use this in Spark
tests, since even referencing it will destabilize the tests because it leaves
two overlapping `SparkContext`s in the same JVM
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