@Test
public void putSingleObjectProperty() {

    BdioContext context = DEFAULT_CONTEXT;
    String currentVersionId = BdioObject.randomId();
    Map<String, Object> map = new LinkedHashMap<>();
    context.putFieldValue(map, Bdio.ObjectProperty.parent, currentVersionId);
    assertThat(map).containsEntry(Bdio.ObjectProperty.parent.toString(),
            ImmutableMap.of("@id", currentVersionId));
}