Most likely the upgrade to scalatest 2.1.3 is causing failures on the bellow Test Suites which I will fix.
streaming/src/test/scala/org/apache/spark/streaming/BasicOperationsSuite.scala
spark/core/src/test/scala/org/apache/spark/ContextCleanerSuite.scala
sql/core/src/test/scala/org/apache/spark/sql/parquet/ParquetQuerySuite.scala