#include <iostream>
#include <cstdio>
#include <cstring>
#include <cstdlib>
#include <vector>
#include <map>
#include <list>
#include <cmath>
#include <queue>
#include <stack>
#include <set>
#include <algorithm>
#define LL long long
#define INF 0x3f3f3f3f
#define RR freopen("in.txt","r",stdin)
#define WW freopen("out.txt","w",stdout)
#define lson l,m,rt<<1
#define rson m+1,r,rt<<1|1

using namespace std;

int a[100005];
int main()
{
    int n,t,v;
    scanf("%d",&t);
    while(t--)
    {
        scanf("%d%d",&n,&v);
        for(int i=0;i<n;i++)
            scanf("%d",a+i);
        sort(a,a+n);
        int s=0,sum=0;
        for(int i=0;i<n;i++)
        {
            if(s+a[i]<=v)
                s+=a[i],sum++;
        }
        printf("%d\n",sum);
    }
    return 0;
}