org.scalatest.exceptions.TestFailedException: ArrayBuffer([1,0], [2,0], [3,1], [4,1], [5,0], [6,0], [7,1], [8,1]) had size 8 instead of expected size 7

== Progress ==
 AddData to MemoryStream[_1#477115,_2#477116]: (1,0),(2,0),(3,1),(4,1)
 CheckAnswerByFunc
 AddData to MemoryStream[_1#477115,_2#477116]: (5,0),(6,0),(7,1),(8,1)
=> CheckAnswerByFunc

== Stream ==
Output Mode: Append
Stream state: {MemoryStream[_1#477115,_2#477116]: 1}
Thread state: alive
Thread stack trace: java.lang.Thread.sleep(Native Method)
org.apache.spark.sql.execution.streaming.MicroBatchExecution$$anonfun$runActivatedStream$1.apply$mcZ$sp(MicroBatchExecution.scala:211)
org.apache.spark.sql.execution.streaming.ProcessingTimeExecutor.execute(TriggerExecutor.scala:56)
org.apache.spark.sql.execution.streaming.MicroBatchExecution.runActivatedStream(MicroBatchExecution.scala:160)
org.apache.spark.sql.execution.streaming.StreamExecution.org$apache$spark$sql$execution$streaming$StreamExecution$$runStream(StreamExecution.scala:279)
org.apache.spark.sql.execution.streaming.StreamExecution$$anon$1.run(StreamExecution.scala:189)


== Sink ==
0: [1,0] [2,0] [3,1] [4,1]
1: [5,0] [6,0] [7,1] [8,1]


== Plan ==
== Parsed Logical Plan ==
GlobalLimit 7
+- LocalLimit 7
 +- RepartitionByExpression [_2#477116], 2
 +- Project [_1#477128 AS _1#477115, _2#477129 AS _2#477116]
 +- Streaming RelationV2 MemoryStreamDataSource$[_1#477128, _2#477129]

== Analyzed Logical Plan ==
_1: int, _2: int
GlobalLimit 7
+- LocalLimit 7
 +- RepartitionByExpression [_2#477116], 2
 +- Project [_1#477128 AS _1#477115, _2#477129 AS _2#477116]
 +- Streaming RelationV2 MemoryStreamDataSource$[_1#477128, _2#477129]

== Optimized Logical Plan ==
GlobalLimit 7
+- LocalLimit 7
 +- RepartitionByExpression [_2#477129], 2
 +- Streaming RelationV2 MemoryStreamDataSource$[_1#477128, _2#477129]

== Physical Plan ==
StreamingGlobalLimit 7, state info [ checkpoint = *********(redacted)/jenkins/workspace/spark-master-test-maven-hadoop-2.6-ubuntu-testing/sql/core/target/tmp/streaming.metadata-128f8bd9-1a17-4794-bf17-1cf1ac9cdeab/state, runId = c7ee8b3c-6611-4dce-8b2f-1e6d01fd280c, opId = 0, ver = 1, numPartitions = 2], Append
+- Exchange SinglePartition
 +- *(2) LocalLimit 7
 +- Exchange hashpartitioning(_2#477129, 2)
 +- *(1) Project [_1#477128, _2#477129]
 +- *(1) ScanV2 MemoryStreamDataSource$[_1#477128, _2#477129]
 


      org.scalatest.exceptions.TestFailedException: 
org.scalatest.exceptions.TestFailedException: ArrayBuffer([1,0], [2,0], [3,1], [4,1], [5,0], [6,0], [7,1], [8,1]) had size 8 instead of expected size 7

== Progress ==
   AddData to MemoryStream[_1#477115,_2#477116]: (1,0),(2,0),(3,1),(4,1)
   CheckAnswerByFunc
   AddData to MemoryStream[_1#477115,_2#477116]: (5,0),(6,0),(7,1),(8,1)
=> CheckAnswerByFunc

== Stream ==
Output Mode: Append
Stream state: {MemoryStream[_1#477115,_2#477116]: 1}
Thread state: alive
Thread stack trace: java.lang.Thread.sleep(Native Method)
org.apache.spark.sql.execution.streaming.MicroBatchExecution$$anonfun$runActivatedStream$1.apply$mcZ$sp(MicroBatchExecution.scala:211)
org.apache.spark.sql.execution.streaming.ProcessingTimeExecutor.execute(TriggerExecutor.scala:56)
org.apache.spark.sql.execution.streaming.MicroBatchExecution.runActivatedStream(MicroBatchExecution.scala:160)
org.apache.spark.sql.execution.streaming.StreamExecution.org$apache$spark$sql$execution$streaming$StreamExecution$$runStream(StreamExecution.scala:279)
org.apache.spark.sql.execution.streaming.StreamExecution$$anon$1.run(StreamExecution.scala:189)


== Sink ==
0: [1,0] [2,0] [3,1] [4,1]
1: [5,0] [6,0] [7,1] [8,1]


== Plan ==
== Parsed Logical Plan ==
GlobalLimit 7
+- LocalLimit 7
   +- RepartitionByExpression [_2#477116], 2
      +- Project [_1#477128 AS _1#477115, _2#477129 AS _2#477116]
         +- Streaming RelationV2 MemoryStreamDataSource$[_1#477128, _2#477129]

== Analyzed Logical Plan ==
_1: int, _2: int
GlobalLimit 7
+- LocalLimit 7
   +- RepartitionByExpression [_2#477116], 2
      +- Project [_1#477128 AS _1#477115, _2#477129 AS _2#477116]
         +- Streaming RelationV2 MemoryStreamDataSource$[_1#477128, _2#477129]

== Optimized Logical Plan ==
GlobalLimit 7
+- LocalLimit 7
   +- RepartitionByExpression [_2#477129], 2
      +- Streaming RelationV2 MemoryStreamDataSource$[_1#477128, _2#477129]

== Physical Plan ==
StreamingGlobalLimit 7, state info [ checkpoint = *********(redacted)/jenkins/workspace/spark-master-test-maven-hadoop-2.6-ubuntu-testing/sql/core/target/tmp/streaming.metadata-128f8bd9-1a17-4794-bf17-1cf1ac9cdeab/state, runId = c7ee8b3c-6611-4dce-8b2f-1e6d01fd280c, opId = 0, ver = 1, numPartitions = 2], Append
+- Exchange SinglePartition
   +- *(2) LocalLimit 7
      +- Exchange hashpartitioning(_2#477129, 2)
         +- *(1) Project [_1#477128, _2#477129]
            +- *(1) ScanV2 MemoryStreamDataSource$[_1#477128, _2#477129]
         
         
      at org.scalatest.Assertions$class.newAssertionFailedException(Assertions.scala:528)
      at org.scalatest.FunSuite.newAssertionFailedException(FunSuite.scala:1560)
      at org.scalatest.Assertions$class.fail(Assertions.scala:1089)
      at org.scalatest.FunSuite.fail(FunSuite.scala:1560)
      at org.apache.spark.sql.streaming.StreamTest$class.failTest$1(StreamTest.scala:450)
      at org.apache.spark.sql.streaming.StreamTest$class.executeAction$1(StreamTest.scala:739)
      at org.apache.spark.sql.streaming.StreamTest$$anonfun$liftedTree1$1$1.apply(StreamTest.scala:767)
      at org.apache.spark.sql.streaming.StreamTest$$anonfun$liftedTree1$1$1.apply(StreamTest.scala:754)
      at scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)
      at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:48)
      at org.apache.spark.sql.streaming.StreamTest$class.liftedTree1$1(StreamTest.scala:754)
      at org.apache.spark.sql.streaming.StreamTest$class.testStream(StreamTest.scala:753)
      at org.apache.spark.sql.streaming.StreamSuite.testStream(StreamSuite.scala:48)
      at org.apache.spark.sql.streaming.StreamSuite$$anonfun$40.apply$mcV$sp(StreamSuite.scala:1021)
      at org.apache.spark.sql.streaming.StreamSuite$$anonfun$40.apply(StreamSuite.scala:1018)
      at org.apache.spark.sql.streaming.StreamSuite$$anonfun$40.apply(StreamSuite.scala:1018)
      at org.scalatest.OutcomeOf$class.outcomeOf(OutcomeOf.scala:85)
      at org.scalatest.OutcomeOf$.outcomeOf(OutcomeOf.scala:104)
      at org.scalatest.Transformer.apply(Transformer.scala:22)
      at org.scalatest.Transformer.apply(Transformer.scala:20)
      at org.scalatest.FunSuiteLike$$anon$1.apply(FunSuiteLike.scala:186)
      at org.apache.spark.SparkFunSuite.withFixture(SparkFunSuite.scala:103)
      at org.scalatest.FunSuiteLike$class.invokeWithFixture$1(FunSuiteLike.scala:183)
      at org.scalatest.FunSuiteLike$$anonfun$runTest$1.apply(FunSuiteLike.scala:196)
      at org.scalatest.FunSuiteLike$$anonfun$runTest$1.apply(FunSuiteLike.scala:196)
      at org.scalatest.SuperEngine.runTestImpl(Engine.scala:289)
      at org.scalatest.FunSuiteLike$class.runTest(FunSuiteLike.scala:196)
      at org.apache.spark.sql.streaming.StreamSuite.org$scalatest$BeforeAndAfterEach$$super$runTest(StreamSuite.scala:48)
      at org.scalatest.BeforeAndAfterEach$class.runTest(BeforeAndAfterEach.scala:221)
      at org.apache.spark.sql.streaming.StreamSuite.runTest(StreamSuite.scala:48)
      at org.scalatest.FunSuiteLike$$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$$anonfun$traverseSubNodes$1$1.apply(Engine.scala:384)
      at scala.collection.immutable.List.foreach(List.scala:392)
      at org.scalatest.SuperEngine.traverseSubNodes$1(Engine.scala:384)
      at org.scalatest.SuperEngine.org$scalatest$SuperEngine$$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.Suite$class.callExecuteOnSuite$1(Suite.scala:1210)
      at org.scalatest.Suite$$anonfun$runNestedSuites$1.apply(Suite.scala:1257)
      at org.scalatest.Suite$$anonfun$runNestedSuites$1.apply(Suite.scala:1255)
      at scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33)
      at scala.collection.mutable.ArrayOps$ofRef.foreach(ArrayOps.scala:186)
      at org.scalatest.Suite$class.runNestedSuites(Suite.scala:1255)
      at org.scalatest.tools.DiscoverySuite.runNestedSuites(DiscoverySuite.scala:30)
      at org.scalatest.Suite$class.run(Suite.scala:1144)
      at org.scalatest.tools.DiscoverySuite.run(DiscoverySuite.scala:30)
      at org.scalatest.tools.SuiteRunner.run(SuiteRunner.scala:45)
      at org.scalatest.tools.Runner$$anonfun$doRunRunRunDaDoRunRun$1.apply(Runner.scala:1340)
      at org.scalatest.tools.Runner$$anonfun$doRunRunRunDaDoRunRun$1.apply(Runner.scala:1334)
      at scala.collection.immutable.List.foreach(List.scala:392)
      at org.scalatest.tools.Runner$.doRunRunRunDaDoRunRun(Runner.scala:1334)
      at org.scalatest.tools.Runner$$anonfun$runOptionallyWithPassFailReporter$2.apply(Runner.scala:1011)
      at org.scalatest.tools.Runner$$anonfun$runOptionallyWithPassFailReporter$2.apply(Runner.scala:1010)
      at org.scalatest.tools.Runner$.withClassLoaderAndDispatchReporter(Runner.scala:1500)
      at org.scalatest.tools.Runner$.runOptionallyWithPassFailReporter(Runner.scala:1010)
      at org.scalatest.tools.Runner$.main(Runner.scala:827)
      at org.scalatest.tools.Runner.main(Runner.scala)