if function numval(distance-km) not equal 7703
               string "Incorrect distance in kilometers returned - " 
                       distance-km delimited by size
                       x"0" delimited by size
                       into errormessage
               end-string
               call MFU-ASSERT-FAIL-Z using errormessage
           end-if 
                  		   
                  		The failed test is rerun, and now passes.