Description
Travis randomly fails Gremlin Server tests with:
[ERROR] Tests run: 7, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 47.132 s <<< FAILURE! - in org.apache.tinkerpop.gremlin.server.GremlinServerAuditLogIntegrateTest [ERROR] shouldAuditLogWithSimpleAuthenticator(org.apache.tinkerpop.gremlin.server.GremlinServerAuditLogIntegrateTest) Time elapsed: 5.598 s <<< ERROR! org.apache.kerby.kerberos.kerb.KrbException: Principal does not exist. at org.apache.tinkerpop.gremlin.server.GremlinServerAuditLogIntegrateTest.tearDown(GremlinServerAuditLogIntegrateTest.java:99)