#include<cstdio>
#include<iostream>
#include<cstring>
#include<algorithm>
using namespace std;
const int maxn=100010;
int c[maxn];
int main(){
    int t,con,n;
    scanf("%d",&t);
    while(t--){
            scanf("%d%d",&n,&con);
            for(int i=0;i<n;i++){
                    scanf("%d",&c[i]);
            }
            sort(c,c+n);
            int sum=0,coun=0;
            for(int i=0;i<n;i++){
                    if(sum+c[i]<=con){
                            coun++;
                            sum+=c[i];
                    }
            }
            printf("%d\n",coun);
    }
    return 0;
}