ExceptionScoreBooster booster2 = new ExceptionScoreBooster();
        TestScoreBooster booster3 = new TestScoreBooster(300L);

        scoreUpdater.addScoreBooster(booster1);
        scoreUpdater.addScoreBooster(booster2);
        scoreUpdater.addScoreBooster(booster3);

        String result = scoreUpdater.execute();
        assertTrue(result.contains("TestScoreBooster : 100"));