#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <cstdio>
#include <cstring>
#include <vector>
#include <queue>
#include <algorithm>
#include <cmath>
using namespace std;

int list[100005];

int main()
{
    int T;
    cin >> T;
    while (T--)
    {
        int n, cap;
        cin >> n >> cap;
        for (int i = 0; i < n; ++i)
            scanf("%d", &list[i]);
        sort(list, &list[n]);
        int total = 0, result = 0;
        do {
            total += list[result];
            if (total > cap) break;
            ++result;
        } while (true);
        cout << result << endl;
    }
#ifndef ONLINE_JUDGE
    system("pause");
#endif
}