[SPARK-1841]: update scalatest to version 2.1.5

Author: witgo <witgo@qq.com>

Closes #713 from witgo/scalatest and squashes the following commits:

b627a6a [witgo] merge master
51fb3d6 [witgo] merge master
3771474 [witgo] fix RDDSuite
996d6f9 [witgo] fix TimeStampedWeakValueHashMap test
9dfa4e7 [witgo] merge bug
1479b22 [witgo] merge master
29b9194 [witgo] fix code style
022a7a2 [witgo] fix test dependency
a52c0fa [witgo] fix test dependency
cd8f59d [witgo] Merge branch 'master' of https://github.com/apache/spark into scalatest
046540d [witgo] fix RDDSuite.scala
2c543b9 [witgo] fix ReplSuite.scala
c458928 [witgo] update scalatest to version 2.1.5

1 files changed, 6 insertions, 6 deletions

diff --git a/streaming/src/test/scala/org/apache/spark/streaming/BasicOperationsSuite.scala b/streaming/src/test/scala/org/apache/spark/streaming/BasicOperationsSuite.scala
index 04925886c3..ff6d86c8f8 100644
--- a/streaming/src/test/scala/org/apache/spark/streaming/BasicOperationsSuite.scala
+++ b/streaming/src/test/scala/org/apache/spark/streaming/BasicOperationsSuite.scala
@@ -92,9 +92,9 @@ class BasicOperationsSuite extends TestSuiteBase {
     assert(second.size === 5)
     assert(third.size === 5)
 
-    assert(first.flatten.toSet === (1 to 100).toSet)
-    assert(second.flatten.toSet === (101 to 200).toSet)
-    assert(third.flatten.toSet === (201 to 300).toSet)
+    assert(first.flatten.toSet.equals((1 to 100).toSet) )
+    assert(second.flatten.toSet.equals((101 to 200).toSet))
+    assert(third.flatten.toSet.equals((201 to 300).toSet))
   }
 
   test("repartition (fewer partitions)") {
@@ -111,9 +111,9 @@ class BasicOperationsSuite extends TestSuiteBase {
     assert(second.size === 2)
     assert(third.size === 2)
 
-    assert(first.flatten.toSet === (1 to 100).toSet)
-    assert(second.flatten.toSet === (101 to 200).toSet)
-    assert(third.flatten.toSet === (201 to 300).toSet)
+    assert(first.flatten.toSet.equals((1 to 100).toSet))
+    assert(second.flatten.toSet.equals( (101 to 200).toSet))
+    assert(third.flatten.toSet.equals((201 to 300).toSet))
   }
 
   test("groupByKey") {