Flaky test: TestProcessJob testProcessJobKillShouldWork

:samza-core_2.11:test

testProcessJobKillShouldWork FAILED
    java.lang.AssertionError: 
        at org.junit.Assert.fail(Assert.java:91)
        at org.junit.Assert.assertTrue(Assert.java:43)
        at org.junit.Assert.assertTrue(Assert.java:54)
        at org.apache.samza.job.local.TestProcessJob.testProcessJobKillShouldWork(TestProcessJob.scala:54)

470 tests completed, 1 failed, 1 skipped
:samza-core_2.11:test FAILED