xcb-proto: fix tests.
xcb-proto: fix tests.

Closes #9400.

EaterOfCode/void-packages,floGik/void-packages,EaterOfCode/void-packages,necrophcodr/void-packages,NeoChontrix/void-packages,kulinacs/void-packages,coredumb/void-packages,NeoChontrix/void-packages,floGik/void-packages,floGik/void-packages,NeoChontrix/void-packages,necrophcodr/void-packages,necrophcodr/void-packages,coredumb/void-packages,NeoChontrix/void-packages,EaterOfCode/void-packages,floGik/void-packages,necrophcodr/void-packages,necrophcodr/void-packages,kulinacs/void-packages,kulinacs/void-packages,EaterOfCode/void-packages,floGik/void-packages,kulinacs/void-packages,coredumb/void-packages,kulinacs/void-packages,floGik/void-packages,coredumb/void-packages,coredumb/void-packages,NeoChontrix/void-packages,coredumb/void-packages,kulinacs/void-packages,NeoChontrix/void-packages,EaterOfCode/void-packages