Revert "[SPARK-15745][SQL] Use classloader's getResource() for reading resource files in HiveTests" as it was causing Jenkins failures.

This reverts commit f7288e1.

Author: holdenk

sql/hive/src/main/scala/org/apache/spark/sql/hive/test/TestHive.scala

@@ -179,8 +179,19 @@ private[hive] class TestHiveSparkSession(
   hiveFilesTemp.mkdir()
   ShutdownHookManager.registerShutdownDeleteDir(hiveFilesTemp)
 
+  val inRepoTests = if (System.getProperty("user.dir").endsWith("sql" + File.separator + "hive")) {
+    new File("src" + File.separator + "test" + File.separator + "resources" + File.separator)
+  } else {
+    new File("sql" + File.separator + "hive" + File.separator + "src" + File.separator + "test" +
+      File.separator + "resources")
+  }
+
   def getHiveFile(path: String): File = {
-    new File(Thread.currentThread().getContextClassLoader.getResource(path).getFile)
+    val stripped = path.replaceAll("""\.\.\/""", "").replace('/', File.separatorChar)
+    hiveDevHome
+      .map(new File(_, stripped))
+      .filter(_.exists)
+      .getOrElse(new File(inRepoTests, stripped))
   }
 
   val describedTable = "DESCRIBE (\\w+)".r