Failed once on Linux 64:

JavaTest Message: JUnit Failure: testLaggedOffer(SubmissionPublisherTest): expected:<4> but was:<0>
junit.framework.AssertionFailedError: expected:<4> but was:<0>
at junit.framework.Assert.fail(Assert.java:50)
at junit.framework.Assert.failNotEquals(Assert.java:287)
at junit.framework.Assert.assertEquals(Assert.java:67)
at junit.framework.Assert.assertEquals(Assert.java:199)
at junit.framework.Assert.assertEquals(Assert.java:205)
at SubmissionPublisherTest.testLaggedOffer(SubmissionPublisherTest.java:733)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:564)
at junit.framework.TestCase.runTest(TestCase.java:168)
at JSR166TestCase.runTest(JSR166TestCase.java:359)