+ doReturn(dataTreeModification).when(inmemoryDOMDataTreeShardWriteTransaction).getRootModification();
+ final Collection<DOMDataTreeIdentifier> prefixes = ImmutableList.of(DOM_DATA_TREE_IDENTIFIER);
+ final InMemoryDOMDataTreeShardProducer mockProducer = mock(InMemoryDOMDataTreeShardProducer.class);
+ doReturn(prefixes).when(mockProducer).getPrefixes();
+ doReturn(inMemoryDOMDataTreeShard.createModificationFactory(prefixes))
+ .when(mockProducer).getModificationFactory();