{
final String serviceURI = ProxyURIRewriting.rewriteURI(conversationId, getParticipantURI()) ;
final CoordinationContextType context = BAInteropUtil.createAtomicOutcomeCoordinationContext(getSourceCoordinatorURI()) ;
getParticipantStub().participantCancelCompletedRace(serviceURI, context) ;
assertTrue("Participant did not issue Completed", state.waitForParticipantCompleted(getTestTimeout())) ;
final BusinessActivityTerminator terminator = BAInteropUtil.registerTerminator(context, context.getIdentifier().getValue()) ;
terminator.cancel() ;
state.waitForCompletion(getTestTimeout()) ;