Github user jkbradley commented on a diff in the pull request: https://github.com/apache/spark/pull/18428#discussion_r125175405 --- Diff: mllib/src/test/scala/org/apache/spark/ml/tuning/TrainValidationSplitSuite.scala --- @@ -160,8 +213,21 @@ class TrainValidationSplitSuite } } -object TrainValidationSplitSuite { - +object TrainValidationSplitSuite extends SparkFunSuite{ + /** + * Assert sequences of estimatorParamMaps are identical. + * Params must be simple types comparable with `===`. + */ + def compareParamMaps(pMaps: Array[ParamMap], pMaps2: Array[ParamMap]): Unit = { --- End diff -- If this is the same as in CrossValidatorSuite, then can you please move them to a shared file (maybe ValidatorParamsSuite)?
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