Remove redundant check in BatteryPool tests#1085

ela-kotulska-frequenz merged 1 commit intofrequenz-floss:v1.x.xfrequenz-floss/frequenz-sdk-python:v1.x.xfrom

ela-kotulska-frequenz:bat_pool_testela-kotulska-frequenz/frequenz-sdk-python:bat_pool_testCopy head branch name to clipboard