BUG-5247: Fix Optional.get() on absent return
The following exception is seen:
testCloseCandidateRegistrationInQuickSuccession(org.opendaylight.controller.cluster.datastore.entityownership.DistributedEntityOwnershipIntegrationTest) Time elapsed: 3.158 sec <<< ERROR!
java.lang.IllegalStateException: Optional.get() cannot be called on an absent value
at com.google.common.base.Absent.get(Absent.java:47)
at org.opendaylight.controller.cluster.datastore.entityownership.DistributedEntityOwnershipIntegrationTest.testCloseCandidateRegistrationInQuickSuccession(DistributedEntityOwnershipIntegrationTest.java:404)
Change-Id: I3765a05a332f4abba550177ae5516eb2644ea94d
Signed-off-by: Robert Varga <rovarga@cisco.com>