Since you did not mention the name of the test, it is hard to be specific.
Ọ bụrụ na ị gbanwere aha nke ibe weebụ, agbanwela agba nke bọtịnụ ahụ, n'ihi na ọ ga-abụ ihe siri ike ịkọwapụta nsonaazụ ule ahụ.