/**
* Adds to the {@link #metadata} an object having a cyclic association.
* The cycle is between {@code platform.instrument} and {@code instrument.isMountedOn}.
*/
private void createCyclicMetadata() {
final DefaultAcquisitionInformation acquisition = new DefaultAcquisitionInformation();
acquisition.getPlatforms().add(MetadataStandardTest.createCyclicMetadata());
metadata.getAcquisitionInformation().add(acquisition);
}