Github user JoshRosen commented on a diff in the pull request: https://github.com/apache/spark/pull/7860#discussion_r36046246 --- Diff: sql/core/src/test/scala/org/apache/spark/sql/execution/UnsafeFixedWidthAggregationMapSuite.scala --- @@ -140,7 +159,21 @@ class UnsafeFixedWidthAggregationMapSuite map.free() } - test("test sorting") { + testWithMemoryLeakDetection("test external sorting") { + // Calling this make sure we have block manager and everything else setup. + TestSQLContext + + TaskContext.setTaskContext(new TaskContextImpl( --- End diff -- Should we use a `finally` block to ensure that the TaskContext is cleared at the end of this test?
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