In the late 2000s and early 2010s, Qatar Airways was undergoing a massive expansion. In 2013, the airline placed an order for A320neo aircraft to modernize its fleet. Some aircraft were assembled between 2015 and 2016, and conducted test flights, however, due to issues with the PW GTF engines, the airline postponed its A320neo deliveries, and many completed aircraft were parked, engineless. In the end, the airline swapped its A320neo order for larger A321neo, initially with PW GTF engines, but later changed for the CFM LEAP.
It would certainly be interesting to see an aircraft that was pretty much ready to enter service, but was cancelled at the last moment, joining the Infinite Flight fleet, still displaying the test registration and the German flag on the tail. Interestingly, some of their A320neos had only one active overwing exit per side, unlike the most common layout of two overwing exits per side, making this livery an even more interesting addition.