KinesisMockReadTest is flaky

The test failed a few times recently in Java PostCommit test suite [1, 2]:

Please refer to /home/jenkins/jenkins-slave/workspace/beam_PostCommit_Java_MavenInstall/src/sdks/java/io/kinesis/target/surefire-reports for the individual test results.
Please refer to dump files (if any exist) [date]-jvmRun[N].dump, [date].dumpstream and [date]-jvmRun[N].dumpstream.
The forked VM terminated without properly saying goodbye. VM crash or System.exit called?
Command was /bin/sh -c cd /home/jenkins/jenkins-slave/workspace/beam_PostCommit_Java_MavenInstall/src/sdks/java/io/kinesis && /usr/local/asfpackages/java/jdk1.8.0_152/jre/bin/java org.apache.maven.surefire.booter.ForkedBooter /home/jenkins/jenkins-slave/workspace/beam_PostCommit_Java_MavenInstall/src/sdks/java/io/kinesis/target/surefire 2017-11-17T21-31-27_966-jvmRun1 surefire8885947147781365641tmp surefire_234035066469521508403tmp
Error occurred in starting fork, check output in log
Process Exit Code: 1
Crashed tests:
org.apache.beam.sdk.io.kinesis.KinesisMockReadTest
org.apache.maven.surefire.booter.SurefireBooterForkException: The forked VM terminated without properly saying goodbye. VM crash or System.exit called?
Command was /bin/sh -c cd /home/jenkins/jenkins-slave/workspace/beam_PostCommit_Java_MavenInstall/src/sdks/java/io/kinesis && /usr/local/asfpackages/java/jdk1.8.0_152/jre/bin/java org.apache.maven.surefire.booter.ForkedBooter /home/jenkins/jenkins-slave/workspace/beam_PostCommit_Java_MavenInstall/src/sdks/java/io/kinesis/target/surefire 2017-11-17T21-31-27_966-jvmRun1 surefire8885947147781365641tmp surefire_234035066469521508403tmp
Error occurred in starting fork, check output in log
Process Exit Code: 1
Crashed tests:
org.apache.beam.sdk.io.kinesis.KinesisMockReadTest
at org.apache.maven.plugin.surefire.booterclient.ForkStarter.fork(ForkStarter.java:679)
at org.apache.maven.plugin.surefire.booterclient.ForkStarter.fork(ForkStarter.java:533)
at org.apache.maven.plugin.surefire.booterclient.ForkStarter.run(ForkStarter.java:279)
at org.apache.maven.plugin.surefire.booterclient.ForkStarter.run(ForkStarter.java:243)
at org.apache.maven.plugin.surefire.AbstractSurefireMojo.executeProvider(AbstractSurefireMojo.java:1077)
at org.apache.maven.plugin.surefire.AbstractSurefireMojo.executeAfterPreconditionsChecked(AbstractSurefireMojo.java:907)
at org.apache.maven.plugin.surefire.AbstractSurefireMojo.execute(AbstractSurefireMojo.java:785)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:307)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:106)
at org.jvnet.hudson.maven3.launcher.Maven33Launcher.main(Maven33Launcher.java:129)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchStandard(Launcher.java:330)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:238)
at jenkins.maven3.agent.Maven33Main.launch(Maven33Main.java:176)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at hudson.maven.Maven3Builder.call(Maven3Builder.java:139)
at hudson.maven.Maven3Builder.call(Maven3Builder.java:70)
at hudson.remoting.UserRequest.perform(UserRequest.java:181)
at hudson.remoting.UserRequest.perform(UserRequest.java:52)
at hudson.remoting.Request$2.run(Request.java:336)
at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:68)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)

[1] https://builds.apache.org/view/A-D/view/Beam/job/beam_PostCommit_Java_MavenInstall/5261/consoleFull
[2] https://builds.apache.org/view/A-D/view/Beam/job/beam_PostCommit_Java_MavenInstall/5259/consoleFull