@Test
public void testReserveReserveASingleSimpleValueWhenNotUsed()
    throws Exception
{

    List<ReservedValue> res = reservedValueService.reserve( simpleTextPattern, 1, new HashMap<>(), future );
    assertEquals( "FOOBAR", res.get( 0 ).getValue() );
    assertEquals( 1, reservedValueStore.getCount() );
}