import sys


def solve() -> None:
    data = list(map(int, sys.stdin.buffer.read().split()))
    it = iter(data)

    t = next(it)
    answers: list[str] = []

    for _ in range(t):
        n = next(it)
        s = next(it)

        # bit i が 1 なら、部分和 i を作れる。
        reachable = 1  # 空集合による部分和 0
        mask = (1 << (s + 1)) - 1

        for _ in range(n):
            a = next(it)

            if a <= s:
                reachable |= reachable << a
                reachable &= mask

        answers.append(str(reachable.bit_length() - 1))

    sys.stdout.write("\n".join(answers))


if __name__ == "__main__":
    solve()