As long as you are willing to teach yourself, the time to apply for the exam is August and March every year. You can come to our Hunan exam next year. As long as you are careful in class.
There are many provinces that can take the second-level RT test. Go to the website of the local provincial technical supervision bureau and check it. It's time to inform you. The training exams in Liaoning Province are in September and 10, but I don't know about Shanghai. I think the second level should be quite easy to test, and the third level is very difficult to test.