Hong Kong exam bosses agree to axe controversial history test question
https://www.scmp.com/news/hong-kong/education/article/3085598/hong-kong-exam-bosses-agree-axe-controversial-history-test
If its answer is to praise Japan's invasion, it would be controversial. But, this test just asks opinions of applicants. So, we can't say that this test supports Japan's invasion.
I am for leaving the test as it is. 97% of Hong Kongers made the fair decision.