final Optional<?> optional = Optional.of(normalizedNode);
final DataTreeCandidateNode dataTreeCandidateNode = mock(DataTreeCandidateNode.class);
doReturn(optional).when(dataTreeCandidateNode).getDataAfter();
final Optional<?> optional = Optional.of(normalizedNode);
final DataTreeCandidateNode dataTreeCandidateNode = mock(DataTreeCandidateNode.class);
doReturn(optional).when(dataTreeCandidateNode).getDataAfter();