booking

Choice ticketholders choose from standard seats upon booking, while those who opt for Basic — the most restrictive fare — are assigned seats at check-in.

Since Coachella, Kneecap have received death threats and have been dropped by their booking agents in the US, which could jeopardise their visas ahead of a forthcoming sold-out tour.

"Don't cancel bookings, cancel your other plans and come here," Kulkarni said.

The agency says a high-speed consultation in May will aim "to improve the booking system and block bots from accessing tests".

Instructors have said delays in booking their own exams, "astronomical" costs and a "convoluted" testing process are deterring people from the industry.