Added empty test for 3d primitves
Added empty test for 3d primitves

SuprDewd/CompetitiveProgramming,nikhiljangam/CompetitiveProgramming,nikhiljangam/CompetitiveProgramming,SuprDewd/CompetitiveProgramming,goswamia/CompetitiveProgramming,SuprDewd/CompetitiveProgramming,SuprDewd/CompetitiveProgramming,nikhiljangam/CompetitiveProgramming,goswamia/CompetitiveProgramming,goswamia/CompetitiveProgramming,goswamia/CompetitiveProgramming,nikhiljangam/CompetitiveProgramming