#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;
    cin >> n >> k;
    int a[n];
    for (int i = 0; i < n; ++i) {
      cin >> a[i];
    }
    sort(a, a + n);
    int j = n - 1;
    int count = 0;
    while (j > 0) {
      count += (k - a[j]) / a[0];
      j--;
    }
    cout << count << endl;
  }
  return 0;
}
