LiShuMing opened a new pull request #24998: [Core] [Test] Avoid noises of system props in SparkConfSuite URL: https://github.com/apache/spark/pull/24998 When SPARK_HOME of env is set and contains a specific `spark-defaults,conf`, `org.apache.spark.util.loadDefaultSparkProperties` method may noise `system props`. So when runs `core/test` module, it is possible to fail to run `SparkConfSuite` . It's easy to repair by setting `loadDefaults` in `SparkConf` to be false. ``` ``` [info] - deprecated configs *** FAILED *** (79 milliseconds) [info] 7 did not equal 4 (SparkConfSuite.scala:266) [info] org.scalatest.exceptions.TestFailedException: [info] at org.scalatest.Assertions.newAssertionFailedException(Assertions.scala:528) [info] at org.scalatest.Assertions.newAssertionFailedException$(Assertions.scala:527) [info] at org.scalatest.FunSuite.newAssertionFailedException(FunSuite.scala:1560) [info] at org.scalatest.Assertions$AssertionsHelper.macroAssert(Assertions.scala:501) [info] at org.apache.spark.SparkConfSuite.$anonfun$new$26(SparkConfSuite.scala:266) [info] at org.scalatest.OutcomeOf.outcomeOf(OutcomeOf.scala:85) [info] at org.scalatest.OutcomeOf.outcomeOf$(OutcomeOf.scala:83) [info] at org.scalatest.OutcomeOf$.outcomeOf(OutcomeOf.scala:104) [info] at org.scalatest.Transformer.apply(Transformer.scala:22) [info] at org.scalatest.Transformer.apply(Transformer.scala:20) [info] at org.scalatest.FunSuiteLike$$anon$1.apply(FunSuiteLike.scala:186) [info] at org.apache.spark.SparkFunSuite.withFixture(SparkFunSuite.scala:149) [info] at org.scalatest.FunSuiteLike.invokeWithFixture$1(FunSuiteLike.scala:184) [info] at org.scalatest.FunSuiteLike.$anonfun$runTest$1(FunSuiteLike.scala:196) [info] at org.scalatest.SuperEngine.runTestImpl(Engine.scala:289) ``` ```
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