Codechef 24

 https://www.codechef.com/MARCH20B/problems/CHPINTU

for _ in range(int(input())):

    n,m=map(int,input().split())

    a=[int(i) for i in input().split()]

    b=[int(i) for i in input().split()]

    d={}

    d=dict(d)

    for i in a:

        d[i]=0

    for i in range(len(a)):

        d[a[i]]+=b[i]

    print(min(d.values()))