[10/10] spark git commit: [SPARK-15037][SQL][MLLIB] Use SparkSession instead of SQLContext in Scala/Java TestSuites

[SPARK-15037][SQL][MLLIB] Use SparkSession instead of SQLContext in Scala/Java TestSuites ## What changes were proposed in this pull request? Use SparkSession instead of SQLContext in Scala/Java TestSuites as this PR already very big working Python TestSuites in a diff PR. ## How was this patch

[10/10] spark git commit: [SPARK-15037][SQL][MLLIB] Use SparkSession instead of SQLContext in Scala/Java TestSuites

[SPARK-15037][SQL][MLLIB] Use SparkSession instead of SQLContext in Scala/Java TestSuites ## What changes were proposed in this pull request? Use SparkSession instead of SQLContext in Scala/Java TestSuites as this PR already very big working Python TestSuites in a diff PR. ## How was this patch