pruningDataTreeModification.write(YangInstanceIdentifier.EMPTY, normalizedNode);
dataTree.commit(getCandidate());
Optional<NormalizedNode<?, ?>> actual = dataTree.takeSnapshot().readNode(YangInstanceIdentifier.EMPTY);
assertEquals("Root present", true, actual.isPresent());
assertEquals("Root node", normalizedNode, actual.get());
pruningDataTreeModification.write(YangInstanceIdentifier.EMPTY, normalizedNode);
dataTree.commit(getCandidate());
Optional<NormalizedNode<?, ?>> actual = dataTree.takeSnapshot().readNode(YangInstanceIdentifier.EMPTY);
assertEquals("Root present", true, actual.isPresent());
assertEquals("Root node", normalizedNode, actual.get());