assertEquals(DOM_DATA_TREE_IDENTIFIER.getRootIdentifier().getLastPathArgument(),
writeableSubshardBoundaryNode.getIdentifier());
assertNull(writeableSubshardBoundaryNode.getChild(null));
assertEquals(DOM_DATA_TREE_IDENTIFIER.getRootIdentifier().getLastPathArgument(),
writeableSubshardBoundaryNode.getIdentifier());
assertNull(writeableSubshardBoundaryNode.getChild(null));