Is there a bus to the test center of subject 1 at the high-speed passenger station?

Yes According to official website, the Qujing Municipal People's Government, the passenger train from Qujing High-speed Passenger Station to Nanhaizi Motor Vehicle Driver Test Center was opened on May 29th, 20 19. Qujing Gaokuai Passenger Transport Company is affiliated to Yunnan Qujing Transportation Group Co., Ltd. and is a passenger transport enterprise jointly operated with Kunming Gaokuai.