It's more than unfair. It's discrimination and xenophobia. I teach my classes online and have to take a test with the threat of a heavy fine if I don't comply, but my Korean co-workers at the same university who teach offline lessons in traditional classrooms don't have to take the test. I have to put the health of my family at risk by standing in line for hours without social distancing, close to people who work in high risk industries. Seoul has been shamed into reserving the mandate because of international pressure, but there's no change in Gyeonggi Provence. So I'm doubly being discriminated against, one, because I'm a foreigner, and two, because I live outside the capital.
RE: Covid test time