final ShardDataTreeCohort cohort1 = mock(ShardDataTreeCohort.class, "cohort1");
doReturn(Futures.immediateFuture(Boolean.TRUE)).when(cohort1).canCommit();
doReturn(Futures.immediateFuture(null)).when(cohort1).preCommit();
final ShardDataTreeCohort cohort1 = mock(ShardDataTreeCohort.class, "cohort1");
doReturn(Futures.immediateFuture(Boolean.TRUE)).when(cohort1).canCommit();
doReturn(Futures.immediateFuture(null)).when(cohort1).preCommit();