[plotting] was not covered in tests, now is
[plotting] was not covered in tests, now is

befelix/GPy,mikecroucher/GPy,dhhjx880713/GPy,esiivola/GPYgradients,avehtari/GPy,esiivola/GPYgradients,esiivola/GPYgradients,dhhjx880713/GPy,befelix/GPy,mikecroucher/GPy,dhhjx880713/GPy,esiivola/GPYgradients,SheffieldML/GPy,mikecroucher/GPy,avehtari/GPy,befelix/GPy,mikecroucher/GPy,SheffieldML/GPy,ysekky/GPy,avehtari/GPy,SheffieldML/GPy,SheffieldML/GPy,ysekky/GPy,dhhjx880713/GPy,ysekky/GPy,ysekky/GPy,avehtari/GPy,befelix/GPy