Github user marmbrus commented on a diff in the pull request:

    https://github.com/apache/spark/pull/1760#discussion_r16005429
  
    --- Diff: sql/hive/src/main/scala/org/apache/spark/sql/hive/TestHive.scala 
---
    @@ -70,6 +70,12 @@ class TestHiveContext(sc: SparkContext) extends 
HiveContext(sc) {
         set("hive.metastore.warehouse.dir", warehousePath)
       }
     
    +  val testTmpDir = if (System.getProperty("user.dir").endsWith("sql" + 
File.separator + "hive")) {
    +    new File(System.getProperty("user.dir") + File.separator + "tmp")
    --- End diff --
    
    in repo tests is checking to see if the tests are there or if we should 
look for them in the hive distribution (they weren't always bundled with the 
source tree).  If we need a temporary directory, we should use the mechanisms 
provided by the JVM for that (`File.createTempFile`)


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