Fix test helper: app id must be an integer
Fix test helper: app id must be an integer

cookpad/garage,y-yagi/garage,taiki45/garage,kenchan0130/garage,takashi/garage,y-yagi/garage,luvtechno/garage,cookpad/garage,luvtechno/garage,cookpad/garage,cookpad/garage,taiki45/garage,takashi/garage,kenchan0130/garage,taiki45/garage,takashi/garage,luvtechno/garage,kenchan0130/garage,y-yagi/garage