Fix test issues\!

Author: holdenk

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

@@ -117,8 +117,8 @@ class BasicOperationsSuite extends TestSuiteBase {
   test("groupByKey") {
     testOperation(
       Seq( Seq("a", "a", "b"), Seq("", ""), Seq() ),
-      (s: DStream[String]) => s.map(x => (x, 1)).groupByKey(),
-      Seq( Seq(("a", Seq(1, 1).toIterator), ("b", Seq(1).toIterator)), Seq(("", Seq(1, 1).toIterator)), Seq() ),
+      (s: DStream[String]) => s.map(x => (x, 1)).groupByKey().mapValues(_.toSeq),
+      Seq( Seq(("a", Seq(1, 1)), ("b", Seq(1))), Seq(("", Seq(1, 1))), Seq() ),
       true
     )
   }
@@ -245,13 +245,13 @@ class BasicOperationsSuite extends TestSuiteBase {
     val inputData1 = Seq( Seq("a", "a", "b"), Seq("a", ""), Seq(""), Seq() )
     val inputData2 = Seq( Seq("a", "a", "b"), Seq("b", ""), Seq(), Seq()   )
     val outputData = Seq(
-      Seq( ("a", (Seq(1, 1).toIterator, Seq("x", "x").toIterator)), ("b", (Seq(1).toIterator, Seq("x").toIterator)) ),
-      Seq( ("a", (Seq(1).toIterator, Seq().toIterator)), ("b", (Seq().toIterator, Seq("x").toIterator)), ("", (Seq(1).toIterator, Seq("x").toIterator)) ),
-      Seq( ("", (Seq(1).toIterator, Seq().toIterator)) ),
+      Seq( ("a", (Seq(1, 1), Seq("x", "x"))), ("b", (Seq(1), Seq("x"))) ),
+      Seq( ("a", (Seq(1), Seq())), ("b", (Seq(), Seq("x"))), ("", (Seq(1), Seq("x"))) ),
+      Seq( ("", (Seq(1), Seq())) ),
       Seq(  )
     )
     val operation = (s1: DStream[String], s2: DStream[String]) => {
-      s1.map(x => (x,1)).cogroup(s2.map(x => (x, "x")))
+      s1.map(x => (x,1)).cogroup(s2.map(x => (x, "x"))).mapValues(x => (x._1.toSeq, x._2.toSeq))
     }
     testOperation(inputData1, inputData2, operation, outputData, true)
   }