java.lang.IllegalStateException: Shutdown hooks cannot be modified during shutdown.

sbt.ForkMain$ForkError: java.lang.IllegalStateException: Shutdown hooks cannot be modified during shutdown.
	at org.apache.spark.util.SparkShutdownHookManager.add(ShutdownHookManager.scala:195)
	at org.apache.spark.util.ShutdownHookManager$.addShutdownHook(ShutdownHookManager.scala:153)
	at org.apache.spark.storage.DiskBlockManager.addShutdownHook(DiskBlockManager.scala:154)
	at org.apache.spark.storage.DiskBlockManager.<init>(DiskBlockManager.scala:51)
	at org.apache.spark.storage.DiskBlockManagerSuite.beforeEach(DiskBlockManagerSuite.scala:56)
	at org.scalatest.BeforeAndAfterEach.runTest(BeforeAndAfterEach.scala:220)
	at org.scalatest.BeforeAndAfterEach.runTest$(BeforeAndAfterEach.scala:214)
	at org.apache.spark.storage.DiskBlockManagerSuite.runTest(DiskBlockManagerSuite.scala:28)
	at org.scalatest.FunSuiteLike.$anonfun$runTests$1(FunSuiteLike.scala:229)
	at org.scalatest.SuperEngine.$anonfun$runTestsInBranch$1(Engine.scala:396)
	at scala.collection.immutable.List.foreach(List.scala:388)
	at org.scalatest.SuperEngine.traverseSubNodes$1(Engine.scala:384)
	at org.scalatest.SuperEngine.runTestsInBranch(Engine.scala:379)
	at org.scalatest.SuperEngine.runTestsImpl(Engine.scala:461)
	at org.scalatest.FunSuiteLike.runTests(FunSuiteLike.scala:229)
	at org.scalatest.FunSuiteLike.runTests$(FunSuiteLike.scala:228)
	at org.scalatest.FunSuite.runTests(FunSuite.scala:1560)
	at org.scalatest.Suite.run(Suite.scala:1147)
	at org.scalatest.Suite.run$(Suite.scala:1129)
	at org.scalatest.FunSuite.org$scalatest$FunSuiteLike$$super$run(FunSuite.scala:1560)
	at org.scalatest.FunSuiteLike.$anonfun$run$1(FunSuiteLike.scala:233)
	at org.scalatest.SuperEngine.runImpl(Engine.scala:521)
	at org.scalatest.FunSuiteLike.run(FunSuiteLike.scala:233)
	at org.scalatest.FunSuiteLike.run$(FunSuiteLike.scala:232)
	at org.apache.spark.SparkFunSuite.org$scalatest$BeforeAndAfterAll$$super$run(SparkFunSuite.scala:52)
	at org.scalatest.BeforeAndAfterAll.liftedTree1$1(BeforeAndAfterAll.scala:213)
	at org.scalatest.BeforeAndAfterAll.run(BeforeAndAfterAll.scala:210)
	at org.scalatest.BeforeAndAfterAll.run$(BeforeAndAfterAll.scala:208)
	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$ScalaTestTask.execute(Framework.scala:507)
	at sbt.ForkMain$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)