Tests: async: Tests for `all` proc added.
Tests: async: Tests for `all` proc added.

jfhg/Nim,singularperturbation/Nim,tulayang/Nim,dom96/Nim,russpowers/Nim,tulayang/Nim,russpowers/Nim,tulayang/Nim,jfhg/Nim,haiodo/Nim,haiodo/Nim,mbaulch/Nim,singularperturbation/Nim,dom96/Nim,russpowers/Nim,tulayang/Nim,haiodo/Nim,haiodo/Nim,mbaulch/Nim,dom96/Nim,singularperturbation/Nim,dom96/Nim,mbaulch/Nim,zachaysan/Nim,russpowers/Nim,singularperturbation/Nim,dom96/Nim,russpowers/Nim,singularperturbation/Nim,russpowers/Nim,dom96/Nim,mbaulch/Nim,jfhg/Nim,zachaysan/Nim,haiodo/Nim,dom96/Nim,mbaulch/Nim,zachaysan/Nim,jfhg/Nim,tulayang/Nim,jfhg/Nim,jfhg/Nim,tulayang/Nim,haiodo/Nim,singularperturbation/Nim,zachaysan/Nim,singularperturbation/Nim,zachaysan/Nim,zachaysan/Nim,zachaysan/Nim,haiodo/Nim,mbaulch/Nim,mbaulch/Nim,russpowers/Nim,jfhg/Nim