#include <bits/stdc++.h>
using namespace std;
int main() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  int t;
  cin >> t;
  while (t--) {
    int n, k, sum(0);
    cin >> n >> k;
    int a[n + 5];
    for (int i = 0; i < n; ++i) cin >> a[i];
    sort(a, a + n);
    for (int i = 1; i < n; ++i) {
      sum += ((k - a[i]) / a[0]);
    }
    cout << sum << endl;
  }
}
