[SPARK-21963][CORE][TEST] Create temp file should be delete after use

## What changes were proposed in this pull request?

After you create a temporary table, you need to delete it, otherwise it will leave a file similar to the file name ‘SPARK194465907929586320484966temp’.

## How was this patch tested?

N / A

Author: caoxuewen <[email protected]>

Closes apache#19174 from heary-cao/DeleteTempFile.

Author: heary-cao

core/src/test/scala/org/apache/spark/SparkContextSuite.scala

@@ -600,6 +600,7 @@ class SparkContextSuite extends SparkFunSuite with LocalSparkContext with Eventu
     val fs = new DebugFilesystem()
     fs.initialize(new URI("file:///"), new Configuration())
     val file = File.createTempFile("SPARK19446", "temp")
+    file.deleteOnExit()
     Files.write(Array.ofDim[Byte](1000), file)
     val path = new Path("file:///" + file.getCanonicalPath)
     val stream = fs.open(path)

core/src/test/scala/org/apache/spark/security/CryptoStreamUtilsSuite.scala

@@ -130,6 +130,7 @@ class CryptoStreamUtilsSuite extends SparkFunSuite {
     val conf = createConf()
     val key = createKey(conf)
     val file = Files.createTempFile("crypto", ".test").toFile()
+    file.deleteOnExit()
 
     val outStream = createCryptoOutputStream(new FileOutputStream(file), conf, key)
     try {

core/src/test/scala/org/apache/spark/util/UtilsSuite.scala

@@ -939,6 +939,7 @@ class UtilsSuite extends SparkFunSuite with ResetSystemProperties with Logging {
         // creating a very misbehaving process. It ignores SIGTERM and has been SIGSTOPed. On
         // older versions of java, this will *not* terminate.
         val file = File.createTempFile("temp-file-name", ".tmp")
+        file.deleteOnExit()
         val cmd =
           s"""
              |#!/bin/bash

launcher/src/test/java/org/apache/spark/launcher/ChildProcAppHandleSuite.java

@@ -114,6 +114,7 @@ public void testRedirectErrorToLog() throws Exception {
     assumeFalse(isWindows());
 
     Path err = Files.createTempFile("stderr", "txt");
+    err.toFile().deleteOnExit();
 
     SparkAppHandle handle = (ChildProcAppHandle) new TestSparkLauncher()
       .redirectError(err.toFile())
@@ -129,6 +130,7 @@ public void testRedirectOutputToLog() throws Exception {
     assumeFalse(isWindows());
 
     Path out = Files.createTempFile("stdout", "txt");
+    out.toFile().deleteOnExit();
 
     SparkAppHandle handle = (ChildProcAppHandle) new TestSparkLauncher()
       .redirectOutput(out.toFile())
@@ -145,6 +147,8 @@ public void testNoRedirectToLog() throws Exception {
 
     Path out = Files.createTempFile("stdout", "txt");
     Path err = Files.createTempFile("stderr", "txt");
+    out.toFile().deleteOnExit();
+    err.toFile().deleteOnExit();
 
     ChildProcAppHandle handle = (ChildProcAppHandle) new TestSparkLauncher()
       .redirectError(err.toFile())
@@ -159,19 +163,23 @@ public void testNoRedirectToLog() throws Exception {
 
   @Test(expected = IllegalArgumentException.class)
   public void testBadLogRedirect() throws Exception {
+    File out = Files.createTempFile("stdout", "txt").toFile();
+    out.deleteOnExit();
     new SparkLauncher()
       .redirectError()
-      .redirectOutput(Files.createTempFile("stdout", "txt").toFile())
+      .redirectOutput(out)
       .redirectToLog("foo")
       .launch()
       .waitFor();
   }
 
   @Test(expected = IllegalArgumentException.class)
   public void testRedirectErrorTwiceFails() throws Exception {
+    File err = Files.createTempFile("stderr", "txt").toFile();
+    err.deleteOnExit();
     new SparkLauncher()
       .redirectError()
-      .redirectError(Files.createTempFile("stderr", "txt").toFile())
+      .redirectError(err)
       .launch()
       .waitFor();
   }
@@ -180,6 +188,7 @@ public void testRedirectErrorTwiceFails() throws Exception {
   public void testProcMonitorWithOutputRedirection() throws Exception {
     assumeFalse(isWindows());
     File err = Files.createTempFile("out", "txt").toFile();
+    err.deleteOnExit();
     SparkAppHandle handle = new TestSparkLauncher()
       .redirectError()
       .redirectOutput(err)