方向利きのUnitTestで`all_ok &=`の代わりに`all_ok =`になっていたのを修正 #960

Job	Run time
build-android (YANEURAOU_ENGINE_NNUE)	1m 52s
build-android (YANEURAOU_ENGINE_KPPT)	1m 44s
build-android (YANEURAOU_ENGINE_KPP_KKPT)	1m 44s
build-android (YANEURAOU_ENGINE_MATERIAL)	1m 45s
build-android (YANEURAOU_MATE_ENGINE)	1m 33s
build-android (TANUKI_MATE_ENGINE)	1m 30s
build-android (USER_ENGINE)	1m 23s
	11m 31s

Provide feedback