#include <bits/stdc++.h>
using namespace std;
const int maxn = 1e6 + 5;
const int MOD = 1e9 + 7;
inline int read() {
  int s = 0, f = 1;
  char ch = getchar();
  while (ch < '0' || ch > '9') {
    if (ch == '-') f = -1;
    ch = getchar();
  }
  while (ch >= '0' && ch <= '9') {
    s = (s << 1) + (s << 3) + ch - '0';
    ch = getchar();
  }
  return s * f;
}
inline void write(long long x) {
  if (x < 0) x = -x, putchar('-');
  if (x > 9) write(x / 10);
  putchar(x % 10 + '0');
}
int a[maxn];
int main() {
  int T = read(), n, m, k;
  while (T--) {
    n = read(), k = read();
    for (int i = 1; i <= n; i++) a[i] = read();
    sort(a + 1, a + n + 1);
    int ans = 0;
    for (int i = 2; i <= n; i++) {
      if (a[1] + a[i] > k) continue;
      ans += (k - a[i]) / a[1];
    }
    write(ans);
    putchar('\n');
  }
  return 0;
}
