Rendition test code creates two versions, and if this happens too fast under MySQL there could be problems with mixed up version order.
java.lang.AssertionError: expected:<d17c33c0-a029-4d07-b4f9-e1ab108addb0> but was:<bf3d5c80-1ba4-467c-8d31-f4294d61490a> at org.junit.Assert.fail(Assert.java:91) at org.junit.Assert.failNotEquals(Assert.java:645) at org.junit.Assert.assertEquals(Assert.java:126) at org.junit.Assert.assertEquals(Assert.java:145) at org.nuxeo.ecm.platform.rendition.service.TestRenditionService.doRenditionVersioning(TestRenditionService.java:249)