Load test data fixture.

def records():
    """Load test data fixture."""
    with db.session.begin_nested():
        for idx in range(20):
            # create the record
            id_ = uuid.uuid4()
            Record.create({
                'title': 'LHC experiment {}'.format(idx),
                'description': 'Data from experiment {}.'.format(idx),
                'type': 'data',
                'recid': idx
            }, id_=id_)
            PersistentIdentifier.create(
                pid_type='recid',
                pid_value=idx,
                object_type='rec',
                object_uuid=id_,
                status=PIDStatus.REGISTERED,
            )

    db.session.commit()