.setWaveletSnapshot(WAVE_ID, USER_ID, 0L, HashedVersion.unsigned(0))
.setLastCommittedVersion(HashedVersion.unsigned(0)));
// Ack the configurator's add-participant
assertEquals(1, waveViewService.submits.size());
waveViewService.lastSubmit().callback
.onSuccess(HashedVersion.of(1L, sig(111)), 1, null, ResponseCode.OK);
DeltaTestUtil util = new DeltaTestUtil(USER_ID);
// Receive an operation from the server that doesn't affect the document.