}
RevTree subtree = subTreeBuilder.build();
WriteBack writeBack = fakeGeogig.command(WriteBack.class).setAncestor(root)
.setChildPath(treePath).setTree(subtree).setMetadataId(fakeTreeMetadataId);
ObjectId newRootId = writeBack.call();
return fakeGeogig.command(RevObjectParse.class).setObjectId(newRootId).call(RevTree.class)
.get().builder(odb);
}