<p>isContain was true Interpreter output contained &#39;Exception&#39;:&amp;#010;&amp;#010;scala&gt; import org.apache.spark.sql.functions._&amp;#010;&amp;#010;scala&gt; import org.apache.spark.sql.{Encoder, Encoders}&amp;#010;&amp;#010;scala&gt; import org.apache.spark.sql.expressions.Aggregator&amp;#010;&amp;#010;scala&gt; import org.apache.spark.sql.TypedColumn&amp;#010;&amp;#010;scala&gt;      |      |      |      |      |      |      | simpleSum: org.apache.spark.sql.TypedColumn[Int,Int] = $anon$1(unresolveddeserializer(upcast(getcolumnbyordinal(0, IntegerType), IntegerType, - root class: &#34;scala.Int&#34;), value#11))&amp;#010;&amp;#010;scala&gt; &amp;#010;scala&gt; ds: org.apache.spark.sql.Dataset[Int] = [value: int]&amp;#010;&amp;#010;scala&gt; org.apache.spark.SparkException: Job aborted due to stage failure: Task 0 in stage 17.0 failed 4 times, most recent failure: Lost task 0.3 in stage 17.0 (TID 122, 192.168.10.28, executor 0): java.lang.ClassCastException: cannot assign instance of scala.collection.immutable.List$SerializationProxy to field org.apache.spark.rdd.RDD.org$apache$spark$rdd$RDD$$dependencies_ of type scala.collection.Seq in instance of org.apache.spark.rdd.MapPartitionsRDD&amp;#010; at java.io.ObjectStreamClass$FieldReflector.setObjFieldValues(ObjectStreamClass.java:2089)&amp;#010; at java.io.ObjectStreamClass.setObjFieldValues(ObjectStreamClass.java:1261)&amp;#010; at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2006)&amp;#010; at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1924)&amp;#010; at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)&amp;#010; at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)&amp;#010; at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2000)&amp;#010; at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1924)&amp;#010; at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)&amp;#010; at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)&amp;#010; at java.io.ObjectInputStream.readObject(ObjectInputStream.java:371)&amp;#010; at org.apache.spark.serializer.JavaDeserializationStream.readObject(JavaSerializer.scala:75)&amp;#010; at org.apache.spark.serializer.JavaSerializerInstance.deserialize(JavaSerializer.scala:114)&amp;#010; at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:85)&amp;#010; at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:53)&amp;#010; at org.apache.spark.scheduler.Task.run(Task.scala:108)&amp;#010; at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:335)&amp;#010; at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)&amp;#010; at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)&amp;#010; at java.lang.Thread.run(Thread.java:745)&amp;#010;&amp;#010;Driver stacktrace:&amp;#010;  at org.apache.spark.scheduler.DAGScheduler.org$apache$spark$scheduler$DAGScheduler$$failJobAndIndependentStages(DAGScheduler.scala:1499)&amp;#010;  at org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1487)&amp;#010;  at org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1486)&amp;#010;  at scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)&amp;#010;  at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:48)&amp;#010;  at org.apache.spark.scheduler.DAGScheduler.abortStage(DAGScheduler.scala:1486)&amp;#010;  at org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:814)&amp;#010;  at org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:814)&amp;#010;  at scala.Option.foreach(Option.scala:257)&amp;#010;  at org.apache.spark.scheduler.DAGScheduler.handleTaskSetFailed(DAGScheduler.scala:814)&amp;#010;  at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.doOnReceive(DAGScheduler.scala:1714)&amp;#010;  at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onReceive(DAGScheduler.scala:1669)&amp;#010;  at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onReceive(DAGScheduler.scala:1658)&amp;#010;  at org.apache.spark.util.EventLoop$$anon$1.run(EventLoop.scala:48)&amp;#010;  at org.apache.spark.scheduler.DAGScheduler.runJob(DAGScheduler.scala:630)&amp;#010;  at org.apache.spark.SparkContext.runJob(SparkContext.scala:2022)&amp;#010;  at org.apache.spark.SparkContext.runJob(SparkContext.scala:2043)&amp;#010;  at org.apache.spark.SparkContext.runJob(SparkContext.scala:2062)&amp;#010;  at org.apache.spark.SparkContext.runJob(SparkContext.scala:2087)&amp;#010;  at org.apache.spark.rdd.RDD$$anonfun$collect$1.apply(RDD.scala:936)&amp;#010;  at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:151)&amp;#010;  at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:112)&amp;#010;  at org.apache.spark.rdd.RDD.withScope(RDD.scala:362)&amp;#010;  at org.apache.spark.rdd.RDD.collect(RDD.scala:935)&amp;#010;  at org.apache.spark.sql.execution.SparkPlan.executeCollect(SparkPlan.scala:278)&amp;#010;  at org.apache.spark.sql.Dataset.org$apache$spark$sql$Dataset$$collectFromPlan(Dataset.scala:2851)&amp;#010;  at org.apache.spark.sql.Dataset$$anonfun$collect$1.apply(Dataset.scala:2388)&amp;#010;  at org.apache.spark.sql.Dataset$$anonfun$collect$1.apply(Dataset.scala:2388)&amp;#010;  at org.apache.spark.sql.Dataset$$anonfun$55.apply(Dataset.scala:2835)&amp;#010;  at org.apache.spark.sql.execution.SQLExecution$.withNewExecutionId(SQLExecution.scala:65)&amp;#010;  at org.apache.spark.sql.Dataset.withAction(Dataset.scala:2834)&amp;#010;  at org.apache.spark.sql.Dataset.collect(Dataset.scala:2388)&amp;#010;  ... 43 elided&amp;#010;Caused by: java.lang.ClassCastException: cannot assign instance of scala.collection.immutable.List$SerializationProxy to field org.apache.spark.rdd.RDD.org$apache$spark$rdd$RDD$$dependencies_ of type scala.collection.Seq in instance of org.apache.spark.rdd.MapPartitionsRDD&amp;#010;  at java.io.ObjectStreamClass$FieldReflector.setObjFieldValues(ObjectStreamClass.java:2089)&amp;#010;  at java.io.ObjectStreamClass.setObjFieldValues(ObjectStreamClass.java:1261)&amp;#010;  at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2006)&amp;#010;  at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1924)&amp;#010;  at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)&amp;#010;  at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)&amp;#010;  at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2000)&amp;#010;  at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1924)&amp;#010;  at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)&amp;#010;  at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)&amp;#010;  at java.io.ObjectInputStream.readObject(ObjectInputStream.java:371)&amp;#010;  at org.apache.spark.serializer.JavaDeserializationStream.readObject(JavaSerializer.scala:75)&amp;#010;  at org.apache.spark.serializer.JavaSerializerInstance.deserialize(JavaSerializer.scala:114)&amp;#010;  at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:85)&amp;#010;  at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:53)&amp;#010;  at org.apache.spark.scheduler.Task.run(Task.scala:108)&amp;#010;  at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:335)&amp;#010;  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)&amp;#010;  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)&amp;#010;  ... 1 more&amp;#010;&amp;#010;scala&gt;      | _result_1496447712805: Int = 1&amp;#010;&amp;#010;scala&gt; </p>


<pre><code>
      org.scalatest.exceptions.TestFailedException: isContain was true Interpreter output contained &#39;Exception&#39;:

scala&gt; import org.apache.spark.sql.functions._

scala&gt; import org.apache.spark.sql.{Encoder, Encoders}

scala&gt; import org.apache.spark.sql.expressions.Aggregator

scala&gt; import org.apache.spark.sql.TypedColumn

scala&gt;      |      |      |      |      |      |      | simpleSum: org.apache.spark.sql.TypedColumn[Int,Int] = $anon$1(unresolveddeserializer(upcast(getcolumnbyordinal(0, IntegerType), IntegerType, - root class: &#34;scala.Int&#34;), value#11))

scala&gt; 
scala&gt; ds: org.apache.spark.sql.Dataset[Int] = [value: int]

scala&gt; org.apache.spark.SparkException: Job aborted due to stage failure: Task 0 in stage 17.0 failed 4 times, most recent failure: Lost task 0.3 in stage 17.0 (TID 122, 192.168.10.28, executor 0): java.lang.ClassCastException: cannot assign instance of scala.collection.immutable.List$SerializationProxy to field org.apache.spark.rdd.RDD.org$apache$spark$rdd$RDD$$dependencies_ of type scala.collection.Seq in instance of org.apache.spark.rdd.MapPartitionsRDD
	at java.io.ObjectStreamClass$FieldReflector.setObjFieldValues(ObjectStreamClass.java:2089)
	at java.io.ObjectStreamClass.setObjFieldValues(ObjectStreamClass.java:1261)
	at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2006)
	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1924)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
	at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2000)
	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1924)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:371)
	at org.apache.spark.serializer.JavaDeserializationStream.readObject(JavaSerializer.scala:75)
	at org.apache.spark.serializer.JavaSerializerInstance.deserialize(JavaSerializer.scala:114)
	at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:85)
	at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:53)
	at org.apache.spark.scheduler.Task.run(Task.scala:108)
	at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:335)
	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)

Driver stacktrace:
  at org.apache.spark.scheduler.DAGScheduler.org$apache$spark$scheduler$DAGScheduler$$failJobAndIndependentStages(DAGScheduler.scala:1499)
  at org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1487)
  at org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1486)
  at scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)
  at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:48)
  at org.apache.spark.scheduler.DAGScheduler.abortStage(DAGScheduler.scala:1486)
  at org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:814)
  at org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:814)
  at scala.Option.foreach(Option.scala:257)
  at org.apache.spark.scheduler.DAGScheduler.handleTaskSetFailed(DAGScheduler.scala:814)
  at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.doOnReceive(DAGScheduler.scala:1714)
  at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onReceive(DAGScheduler.scala:1669)
  at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onReceive(DAGScheduler.scala:1658)
  at org.apache.spark.util.EventLoop$$anon$1.run(EventLoop.scala:48)
  at org.apache.spark.scheduler.DAGScheduler.runJob(DAGScheduler.scala:630)
  at org.apache.spark.SparkContext.runJob(SparkContext.scala:2022)
  at org.apache.spark.SparkContext.runJob(SparkContext.scala:2043)
  at org.apache.spark.SparkContext.runJob(SparkContext.scala:2062)
  at org.apache.spark.SparkContext.runJob(SparkContext.scala:2087)
  at org.apache.spark.rdd.RDD$$anonfun$collect$1.apply(RDD.scala:936)
  at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:151)
  at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:112)
  at org.apache.spark.rdd.RDD.withScope(RDD.scala:362)
  at org.apache.spark.rdd.RDD.collect(RDD.scala:935)
  at org.apache.spark.sql.execution.SparkPlan.executeCollect(SparkPlan.scala:278)
  at org.apache.spark.sql.Dataset.org$apache$spark$sql$Dataset$$collectFromPlan(Dataset.scala:2851)
  at org.apache.spark.sql.Dataset$$anonfun$collect$1.apply(Dataset.scala:2388)
  at org.apache.spark.sql.Dataset$$anonfun$collect$1.apply(Dataset.scala:2388)
  at org.apache.spark.sql.Dataset$$anonfun$55.apply(Dataset.scala:2835)
  at org.apache.spark.sql.execution.SQLExecution$.withNewExecutionId(SQLExecution.scala:65)
  at org.apache.spark.sql.Dataset.withAction(Dataset.scala:2834)
  at org.apache.spark.sql.Dataset.collect(Dataset.scala:2388)
  ... 43 elided
Caused by: java.lang.ClassCastException: cannot assign instance of scala.collection.immutable.List$SerializationProxy to field org.apache.spark.rdd.RDD.org$apache$spark$rdd$RDD$$dependencies_ of type scala.collection.Seq in instance of org.apache.spark.rdd.MapPartitionsRDD
  at java.io.ObjectStreamClass$FieldReflector.setObjFieldValues(ObjectStreamClass.java:2089)
  at java.io.ObjectStreamClass.setObjFieldValues(ObjectStreamClass.java:1261)
  at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2006)
  at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1924)
  at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
  at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
  at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2000)
  at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1924)
  at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
  at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
  at java.io.ObjectInputStream.readObject(ObjectInputStream.java:371)
  at org.apache.spark.serializer.JavaDeserializationStream.readObject(JavaSerializer.scala:75)
  at org.apache.spark.serializer.JavaSerializerInstance.deserialize(JavaSerializer.scala:114)
  at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:85)
  at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:53)
  at org.apache.spark.scheduler.Task.run(Task.scala:108)
  at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:335)
  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
  ... 1 more

scala&gt;      | _result_1496447712805: Int = 1

scala&gt; 
      at org.scalatest.Assertions$class.newAssertionFailedException(Assertions.scala:500)
      at org.scalatest.FunSuite.newAssertionFailedException(FunSuite.scala:1555)
      at org.scalatest.Assertions$AssertionsHelper.macroAssert(Assertions.scala:466)
      at org.apache.spark.repl.SingletonReplSuite.assertDoesNotContain(SingletonReplSuite.scala:121)
      at org.apache.spark.repl.SingletonReplSuite$$anonfun$12.apply$mcV$sp(SingletonReplSuite.scala:309)
      at org.apache.spark.repl.SingletonReplSuite$$anonfun$12.apply(SingletonReplSuite.scala:289)
      at org.apache.spark.repl.SingletonReplSuite$$anonfun$12.apply(SingletonReplSuite.scala:289)
      at org.scalatest.Transformer$$anonfun$apply$1.apply$mcV$sp(Transformer.scala:22)
      at org.scalatest.OutcomeOf$class.outcomeOf(OutcomeOf.scala:85)
      at org.scalatest.OutcomeOf$.outcomeOf(OutcomeOf.scala:104)
      at org.scalatest.Transformer.apply(Transformer.scala:22)
      at org.scalatest.Transformer.apply(Transformer.scala:20)
      at org.scalatest.FunSuiteLike$$anon$1.apply(FunSuiteLike.scala:166)
      at org.apache.spark.SparkFunSuite.withFixture(SparkFunSuite.scala:68)
      at org.scalatest.FunSuiteLike$class.invokeWithFixture$1(FunSuiteLike.scala:163)
      at org.scalatest.FunSuiteLike$$anonfun$runTest$1.apply(FunSuiteLike.scala:175)
      at org.scalatest.FunSuiteLike$$anonfun$runTest$1.apply(FunSuiteLike.scala:175)
      at org.scalatest.SuperEngine.runTestImpl(Engine.scala:306)
      at org.scalatest.FunSuiteLike$class.runTest(FunSuiteLike.scala:175)
      at org.scalatest.FunSuite.runTest(FunSuite.scala:1555)
      at org.scalatest.FunSuiteLike$$anonfun$runTests$1.apply(FunSuiteLike.scala:208)
      at org.scalatest.FunSuiteLike$$anonfun$runTests$1.apply(FunSuiteLike.scala:208)
      at org.scalatest.SuperEngine$$anonfun$traverseSubNodes$1$1.apply(Engine.scala:413)
      at org.scalatest.SuperEngine$$anonfun$traverseSubNodes$1$1.apply(Engine.scala:401)
      at scala.collection.immutable.List.foreach(List.scala:381)
      at org.scalatest.SuperEngine.traverseSubNodes$1(Engine.scala:401)
      at org.scalatest.SuperEngine.org$scalatest$SuperEngine$$runTestsInBranch(Engine.scala:396)
      at org.scalatest.SuperEngine.runTestsImpl(Engine.scala:483)
      at org.scalatest.FunSuiteLike$class.runTests(FunSuiteLike.scala:208)
      at org.scalatest.FunSuite.runTests(FunSuite.scala:1555)
      at org.scalatest.Suite$class.run(Suite.scala:1424)
      at org.scalatest.FunSuite.org$scalatest$FunSuiteLike$$super$run(FunSuite.scala:1555)
      at org.scalatest.FunSuiteLike$$anonfun$run$1.apply(FunSuiteLike.scala:212)
      at org.scalatest.FunSuiteLike$$anonfun$run$1.apply(FunSuiteLike.scala:212)
      at org.scalatest.SuperEngine.runImpl(Engine.scala:545)
      at org.scalatest.FunSuiteLike$class.run(FunSuiteLike.scala:212)
      at org.apache.spark.SparkFunSuite.org$scalatest$BeforeAndAfterAll$$super$run(SparkFunSuite.scala:31)
      at org.scalatest.BeforeAndAfterAll$class.liftedTree1$1(BeforeAndAfterAll.scala:257)
      at org.scalatest.BeforeAndAfterAll$class.run(BeforeAndAfterAll.scala:256)
      at org.apache.spark.SparkFunSuite.run(SparkFunSuite.scala:31)
      at org.scalatest.Suite$class.callExecuteOnSuite$1(Suite.scala:1492)
      at org.scalatest.Suite$$anonfun$runNestedSuites$1.apply(Suite.scala:1528)
      at org.scalatest.Suite$$anonfun$runNestedSuites$1.apply(Suite.scala:1526)
      at scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33)
      at scala.collection.mutable.ArrayOps$ofRef.foreach(ArrayOps.scala:186)
      at org.scalatest.Suite$class.runNestedSuites(Suite.scala:1526)
      at org.scalatest.tools.DiscoverySuite.runNestedSuites(DiscoverySuite.scala:29)
      at org.scalatest.Suite$class.run(Suite.scala:1421)
      at org.scalatest.tools.DiscoverySuite.run(DiscoverySuite.scala:29)
      at org.scalatest.tools.SuiteRunner.run(SuiteRunner.scala:55)
      at org.scalatest.tools.Runner$$anonfun$doRunRunRunDaDoRunRun$3.apply(Runner.scala:2563)
      at org.scalatest.tools.Runner$$anonfun$doRunRunRunDaDoRunRun$3.apply(Runner.scala:2557)
      at scala.collection.immutable.List.foreach(List.scala:381)
      at org.scalatest.tools.Runner$.doRunRunRunDaDoRunRun(Runner.scala:2557)
      at org.scalatest.tools.Runner$$anonfun$runOptionallyWithPassFailReporter$2.apply(Runner.scala:1044)
      at org.scalatest.tools.Runner$$anonfun$runOptionallyWithPassFailReporter$2.apply(Runner.scala:1043)
      at org.scalatest.tools.Runner$.withClassLoaderAndDispatchReporter(Runner.scala:2722)
      at org.scalatest.tools.Runner$.runOptionallyWithPassFailReporter(Runner.scala:1043)
      at org.scalatest.tools.Runner$.main(Runner.scala:860)
      at org.scalatest.tools.Runner.main(Runner.scala)
</code></pre>