fix default komi in unit test to use area scoring komi
fix default komi in unit test to use area scoring komi

puremourning/littlego,herzbube/littlego,puremourning/littlego,herzbube/littlego,herzbube/littlego,herzbube/littlego,puremourning/littlego,herzbube/littlego,puremourning/littlego