action.put("value", 120);
aa.onAction(pl, action);
assertEquals("may not change HP over base_hp", 100, pl.getHP());
action.put("value", 90);
aa.onAction(pl, action);
assertEquals("may change HP to 90 ", 90, pl.getHP());
action.put("value", 90);
action.put("mode", "sub");
assertEquals("may change HP to 90 ", 90, pl.getHP());