private Metadata newMetadata() {
    int val = _incMetadata.incrementAndGet();
    Metadata metadata = new Metadata().setUuid("uuid" + val).setData("metadata" + val);
    metadata.getDataInfo().setSchemaId("customSchema" + val);
    metadata.getSourceInfo().setSourceId("source" + val);
    metadata.getSourceInfo().setOwner(1);
    metadata.getHarvestInfo().setUuid("huuid" + val);
    metadata.getHarvestInfo().setHarvested(val % 2 == 0);

    return metadata;
  }