Github user ilooner commented on a diff in the pull request: https://github.com/apache/drill/pull/984#discussion_r147256621 --- Diff: exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/xsort/TestSimpleExternalSort.java --- @@ -147,7 +152,7 @@ public void sortOneKeyDescendingExternalSortLegacy() throws Throwable { } private void sortOneKeyDescendingExternalSort(boolean testLegacy) throws Throwable { - FixtureBuilder builder = ClusterFixture.builder() + FixtureBuilder builder = ClusterFixture.builder(dirTestWatcher) --- End diff -- Is there a case where the tmp directories are optional? The Drillbit will always have to be configured with a <b>drill.tmp-dir</b> at minimum, so I think it should be required to use a BaseDirTestWatcher with a ClusterFixture. I could move passing the dirTestWatcher to the build method instead of the constructor. Let me know what you think.
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