Attempt to fix streaming test failures after yarn branch merge

bagel/src/test/scala/bagel/BagelSuite.scala

core/src/test/scala/spark/LocalSparkContext.scala

repl/src/test/scala/spark/repl/ReplSuite.scala

streaming/src/main/scala/spark/streaming/Checkpoint.scala

...c/main/scala/spark/streaming/util/MasterFailureTest.scala

...src/test/scala/spark/streaming/BasicOperationsSuite.scala

...ming/src/test/scala/spark/streaming/CheckpointSuite.scala

streaming/src/test/scala/spark/streaming/FailureSuite.scala

...ng/src/test/scala/spark/streaming/InputStreamsSuite.scala

...rc/test/scala/spark/streaming/WindowOperationsSuite.scala