I had bad info - they had HU111 on YYC.com and we were told to expect a test flight of just staff. That
actually meant there was no metal landing, just the local Hainan and CAA staff being brought on a tour as if arriving on the HU flight. They had real (fake) bag tags and were introduced to the arrival process (international). We found out around 0900 when they started walking through.
It was just a 'dummy' flight that confused me and everyone who told me it was a real flight. The listing on YYC.com lent too much credibility to the rumor: