assertEquals(Integer.valueOf(-1), executionOrder.get(2));
    }

    // Test with RuntimeException
    @Test
    public void test_execute_withRuntimeException() {
        RuntimeExceptionScoreBooster booster = new RuntimeExceptionScoreBooster();
        scoreUpdater.addScoreBooster(booster);

        String result = scoreUpdater.execute();
        assertTrue(result.contains("Runtime exception message"));
    }