Flakey FileBasedDataSourceSuite

sbt.ForkMain$ForkError: org.scalatest.exceptions.TestFailedDueToTimeoutException: The code passed to eventually never returned normally. Attempted 15 times over 10.016101897 seconds. Last failure message: There are 1 possibly leaked file streams..
	at org.scalatest.concurrent.Eventually$class.tryTryAgain$1(Eventually.scala:421)
	at org.scalatest.concurrent.Eventually$class.eventually(Eventually.scala:439)
	at org.apache.spark.sql.FileBasedDataSourceSuite.eventually(FileBasedDataSourceSuite.scala:30)
	at org.scalatest.concurrent.Eventually$class.eventually(Eventually.scala:308)
	at org.apache.spark.sql.FileBasedDataSourceSuite.eventually(FileBasedDataSourceSuite.scala:30)
	at org.apache.spark.sql.test.SharedSparkSession$class.afterEach(SharedSparkSession.scala:114)
	at org.apache.spark.sql.FileBasedDataSourceSuite.afterEach(FileBasedDataSourceSuite.scala:30)
	at org.scalatest.BeforeAndAfterEach$$anonfun$1.apply$mcV$sp(BeforeAndAfterEach.scala:234)
	at org.scalatest.Status$$anonfun$withAfterEffect$1.apply(Status.scala:379)
	at org.scalatest.Status$$anonfun$withAfterEffect$1.apply(Status.scala:375)
	at org.scalatest.SucceededStatus$.whenCompleted(Status.scala:454)
	at org.scalatest.Status$class.withAfterEffect(Status.scala:375)
	at org.scalatest.SucceededStatus$.withAfterEffect(Status.scala:426)
	at org.scalatest.BeforeAndAfterEach$class.runTest(BeforeAndAfterEach.scala:232)
	at org.apache.spark.sql.FileBasedDataSourceSuite.runTest(FileBasedDataSourceSuite.scala:30)
	at org.scalatest.FunSuiteLike$$anonfun$runTests$1.apply(FunSuiteLike.scala:229)
	at org.scalatest.FunSuiteLike$$anonfun$runTests$1.apply(FunSuiteLike.scala:229)
	at org.scalatest.SuperEngine$$anonfun$traverseSubNodes$1$1.apply(Engine.scala:396)
	at org.scalatest.SuperEngine$$anonfun$traverseSubNodes$1$1.apply(Engine.scala:384)
	at scala.collection.immutable.List.foreach(List.scala:381)
	at org.scalatest.SuperEngine.traverseSubNodes$1(Engine.scala:384)
	at org.scalatest.SuperEngine.org$scalatest$SuperEngine$$runTestsInBranch(Engine.scala:379)
	at org.scalatest.SuperEngine.runTestsImpl(Engine.scala:461)
	at org.scalatest.FunSuiteLike$class.runTests(FunSuiteLike.scala:229)
	at org.scalatest.FunSuite.runTests(FunSuite.scala:1560)
	at org.scalatest.Suite$class.run(Suite.scala:1147)
	at org.scalatest.FunSuite.org$scalatest$FunSuiteLike$$super$run(FunSuite.scala:1560)
	at org.scalatest.FunSuiteLike$$anonfun$run$1.apply(FunSuiteLike.scala:233)
	at org.scalatest.FunSuiteLike$$anonfun$run$1.apply(FunSuiteLike.scala:233)
	at org.scalatest.SuperEngine.runImpl(Engine.scala:521)
	at org.scalatest.FunSuiteLike$class.run(FunSuiteLike.scala:233)
	at org.apache.spark.SparkFunSuite.org$scalatest$BeforeAndAfterAll$$super$run(SparkFunSuite.scala:52)
	at org.scalatest.BeforeAndAfterAll$class.liftedTree1$1(BeforeAndAfterAll.scala:213)
	at org.scalatest.BeforeAndAfterAll$class.run(BeforeAndAfterAll.scala:210)
	at org.apache.spark.SparkFunSuite.run(SparkFunSuite.scala:52)
	at org.scalatest.tools.Framework.org$scalatest$tools$Framework$$runSuite(Framework.scala:314)
	at org.scalatest.tools.Framework$ScalaTestTask.execute(Framework.scala:480)
	at sbt.ForkMain$Run$2.call(ForkMain.java:296)
	at sbt.ForkMain$Run$2.call(ForkMain.java:286)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
Caused by: sbt.ForkMain$ForkError: java.lang.IllegalStateException: There are 1 possibly leaked file streams.
	at org.apache.spark.DebugFilesystem$.assertNoOpenStreams(DebugFilesystem.scala:54)
	at org.apache.spark.sql.test.SharedSparkSession$$anonfun$afterEach$1.apply$mcV$sp(SharedSparkSession.scala:115)
	at org.apache.spark.sql.test.SharedSparkSession$$anonfun$afterEach$1.apply(SharedSparkSession.scala:115)
	at org.apache.spark.sql.test.SharedSparkSession$$anonfun$afterEach$1.apply(SharedSparkSession.scala:115)
	at org.scalatest.concurrent.Eventually$class.makeAValiantAttempt$1(Eventually.scala:395)
	at org.scalatest.concurrent.Eventually$class.tryTryAgain$1(Eventually.scala:409)
	... 42 more
Caused by: sbt.ForkMain$ForkError: java.lang.Throwable: null
	at org.apache.spark.DebugFilesystem$.addOpenStream(DebugFilesystem.scala:36)
	at org.apache.spark.DebugFilesystem.open(DebugFilesystem.scala:70)
	at org.apache.hadoop.fs.FileSystem.open(FileSystem.java:766)
	at org.apache.orc.impl.RecordReaderUtils$DefaultDataReader.open(RecordReaderUtils.java:173)
	at org.apache.orc.impl.RecordReaderImpl.<init>(RecordReaderImpl.java:254)
	at org.apache.orc.impl.ReaderImpl.rows(ReaderImpl.java:633)
	at org.apache.spark.sql.execution.datasources.orc.OrcColumnarBatchReader.initialize(OrcColumnarBatchReader.java:140)
	at org.apache.spark.sql.execution.datasources.orc.OrcFileFormat$$anonfun$buildReaderWithPartitionValues$2.apply(OrcFileFormat.scala:197)
	at org.apache.spark.sql.execution.datasources.orc.OrcFileFormat$$anonfun$buildReaderWithPartitionValues$2.apply(OrcFileFormat.scala:161)
	at org.apache.spark.sql.execution.datasources.FileScanRDD$$anon$1.org$apache$spark$sql$execution$datasources$FileScanRDD$$anon$$readCurrentFile(FileScanRDD.scala:125)
	at org.apache.spark.sql.execution.datasources.FileScanRDD$$anon$1.nextIterator(FileScanRDD.scala:179)
	at org.apache.spark.sql.execution.datasources.FileScanRDD$$anon$1.hasNext(FileScanRDD.scala:106)
	at org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage1.scan_nextBatch$(Unknown Source)
	at org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage1.processNext(Unknown Source)
	at org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)
	at org.apache.spark.sql.execution.WholeStageCodegenExec$$anonfun$11$$anon$1.hasNext(WholeStageCodegenExec.scala:616)
	at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:408)
	at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:408)
	at org.apache.spark.util.Utils$.getIteratorSize(Utils.scala:1834)
	at org.apache.spark.rdd.RDD$$anonfun$count$1.apply(RDD.scala:1162)
	at org.apache.spark.rdd.RDD$$anonfun$count$1.apply(RDD.scala:1162)
	at org.apache.spark.SparkContext$$anonfun$runJob$5.apply(SparkContext.scala:2070)
	at org.apache.spark.SparkContext$$anonfun$runJob$5.apply(SparkContext.scala:2070)
	at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:87)
	at org.apache.spark.scheduler.Task.run(Task.scala:109)
	at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:345)
	... 3 more