cmake: make lest option depend on test option
cmake: make lest option depend on test option

alfred-bratterud/IncludeOS,mnordsletten/IncludeOS,alfred-bratterud/IncludeOS,AndreasAakesson/IncludeOS,mnordsletten/IncludeOS,mnordsletten/IncludeOS,AnnikaH/IncludeOS,mnordsletten/IncludeOS,AndreasAakesson/IncludeOS,AndreasAakesson/IncludeOS,alfred-bratterud/IncludeOS,AnnikaH/IncludeOS,hioa-cs/IncludeOS,hioa-cs/IncludeOS,hioa-cs/IncludeOS,AnnikaH/IncludeOS,mnordsletten/IncludeOS,mnordsletten/IncludeOS,hioa-cs/IncludeOS,alfred-bratterud/IncludeOS,AndreasAakesson/IncludeOS,AnnikaH/IncludeOS,AnnikaH/IncludeOS,AndreasAakesson/IncludeOS,hioa-cs/IncludeOS,alfred-bratterud/IncludeOS,AndreasAakesson/IncludeOS