1
3
5 3 4
 6
5
5 3 4 4 5
3
1 1 1
5
4 4 3 4 4
5
5 5 4 3 2
3
1 1 2
5
5 4 3 5 5
 1
3
10 1 5

1
 1
-1
2
2
3
1
 1

a = int(input())
for k in range(a):
    c = int(input())
    b = list(input().split())
    s = ""
    for t in b:
        s += t
    r = s.strip("0")
    print(r.count("0"))