tester: let each attribute of meter had a chance to be compared.

Signed-off-by: Chiu,Cheng-Han <a54931232@gmail.com>
Reviewed-by: Yuichi Ito <ito.yuichi0@gmail.com>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
tester: cleanup the code of couting the results

Reported-by: Chiu,Cheng-Han <a54931232@gmail.com>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>