Failed assertion: got pixel [255,0,0,255] at (1,1), expected [0,255,0,255]
Failed assertion: got pixel [255,0,0,255] at (48,1), expected [0,255,0,255]
Failed assertion: got pixel [255,0,0,255] at (48,48), expected [0,255,0,255]
Failed assertion: got pixel [255,0,0,255] at (1,48), expected [0,255,0,255]