MockitoAnnotations.initMocks(this);
doReturn(Optional.empty()).when(mockUserCohorts).commit();
doReturn(Optional.empty()).when(mockUserCohorts).abort();
cohort = new SimpleShardDataTreeCohort(mockShardDataTree, mockModification, nextTransactionId(),
MockitoAnnotations.initMocks(this);
doReturn(Optional.empty()).when(mockUserCohorts).commit();
doReturn(Optional.empty()).when(mockUserCohorts).abort();
cohort = new SimpleShardDataTreeCohort(mockShardDataTree, mockModification, nextTransactionId(),