ScheduledDeliveryTest::testDelayedRedeliveryDefault eventual

[clebert.suconic]

there are two assertions on this test:

assertTrue(time - now >= delay);

 // Hudson can introduce a large degree of indeterminism
 assertTrue(time - now + ">" + (delay + 1000), time - now < delay + 1000);

The second assertion can fail due to delays such as large Garbage Collections...etc.

IMO we should just remove it, since the first assertion should be already sufficient for scheduled messages.

that failure is also causing cascade failures due to something not being consumed or cleared up.

[clebert.suconic]

That failure happened on Oracle last time. and I believe our Oracle instance on Hudson is running on a VM. (what could make things run slower on the Oracle DB), causing timing issues.