SPARK-6338 [CORE] Use standard temp dir mechanisms in tests to avoid orphaned temp files

Use `Utils.createTempDir()` to replace other temp file mechanisms used in some tests, to further ensure they are cleaned up, and simplify

Author: Sean Owen <sowen@cloudera.com>

Closes #5029 from srowen/SPARK-6338 and squashes the following commits:

27b740a [Sean Owen] Fix hive-thriftserver tests that don't expect an existing dir
4a212fa [Sean Owen] Standardize a bit more temp dir management
9004081 [Sean Owen] Revert some added recursive-delete calls
57609e4 [Sean Owen] Use Utils.createTempDir() to replace other temp file mechanisms used in some tests, to further ensure they are cleaned up, and simplify

1 files changed, 1 insertions, 4 deletions

diff --git a/repl/scala-2.11/src/test/scala/org/apache/spark/repl/ReplSuite.scala b/repl/scala-2.11/src/test/scala/org/apache/spark/repl/ReplSuite.scala
index fbef5b25ba..14f5e9ed4f 100644
--- a/repl/scala-2.11/src/test/scala/org/apache/spark/repl/ReplSuite.scala
+++ b/repl/scala-2.11/src/test/scala/org/apache/spark/repl/ReplSuite.scala
@@ -21,11 +21,9 @@ import java.io._
 import java.net.URLClassLoader
 
 import scala.collection.mutable.ArrayBuffer
-import scala.concurrent.Await
 import scala.concurrent.duration._
 import scala.tools.nsc.interpreter.SparkILoop
 
-import com.google.common.io.Files
 import org.scalatest.FunSuite
 import org.apache.commons.lang3.StringEscapeUtils
 import org.apache.spark.SparkContext
@@ -196,8 +194,7 @@ class ReplSuite extends FunSuite {
   }
 
   test("interacting with files") {
-    val tempDir = Files.createTempDir()
-    tempDir.deleteOnExit()
+    val tempDir = Utils.createTempDir()
     val out = new FileWriter(tempDir + "/input")
     out.write("Hello world!\n")
     out.write("What's up?\n")