@Test
public void reserveValuesSingleValueAlreadyReserved()
{

    int count = reservedValueStore.getCount();
    List<ReservedValue> res = reservedValueStore
        .reserveValuesJpa( reservedValueA, Lists.newArrayList( reservedValueA.getValue() ) );
    assertEquals( 0, res.size() );
    assertEquals( count, reservedValueStore.getCount() );
}