Fixed tests for imageio after error changes
Fixed tests for imageio after error changes

pentschev/arrayfire,victorv/arrayfire,marbre/arrayfire,victorv/arrayfire,mrgloom/arrayfire,munnybearz/arrayfire,umar456/arrayfire,umar456/arrayfire,ghisvail/arrayfire,9prady9/arrayfire,bkloppenborg/arrayfire,umar456/arrayfire,Keno/arrayfire,marbre/arrayfire,merlin-ext/arrayfire,ghisvail/arrayfire,munnybearz/arrayfire,mrgloom/arrayfire,umar456/arrayfire,arrayfire/arrayfire,arrayfire/arrayfire,Keno/arrayfire,jramapuram/arrayfire,unbornchikken/arrayfire,jramapuram/arrayfire,bkloppenborg/arrayfire,9prady9/arrayfire,shehzan10/arrayfire,marbre/arrayfire,unbornchikken/arrayfire,0x0all/arrayfire,pentschev/arrayfire,ghisvail/arrayfire,Keno/arrayfire,HolyGeneralK/arrayfire,marbre/arrayfire,asifmadnan/arrayfire,linan7788626/arrayfire,pavanky/arrayfire,linan7788626/arrayfire,pavanky/arrayfire,asifmadnan/arrayfire,bkloppenborg/arrayfire,shehzan10/arrayfire,ghisvail/arrayfire,jramapuram/arrayfire,shehzan10/arrayfire,mrgloom/arrayfire,glehmann/arrayfire,pentschev/arrayfire,9prady9/arrayfire,Keno/arrayfire,shehzan10/arrayfire,victorv/arrayfire,mrgloom/arrayfire,9prady9/arrayfire,pavanky/arrayfire,arrayfire/arrayfire,0x0all/arrayfire,HolyGeneralK/arrayfire,HolyGeneralK/arrayfire,pombredanne/arrayfire,pombredanne/arrayfire,merlin-ext/arrayfire,victorv/arrayfire,hshindo/arrayfire,merlin-ext/arrayfire,linan7788626/arrayfire,pentschev/arrayfire,pavanky/arrayfire,unbornchikken/arrayfire,pombredanne/arrayfire,hshindo/arrayfire,unbornchikken/arrayfire,linan7788626/arrayfire,munnybearz/arrayfire,asifmadnan/arrayfire,HolyGeneralK/arrayfire,jramapuram/arrayfire,hshindo/arrayfire,merlin-ext/arrayfire,glehmann/arrayfire,arrayfire/arrayfire,pombredanne/arrayfire,bkloppenborg/arrayfire,asifmadnan/arrayfire,hshindo/arrayfire