#include <bits/stdc++.h>
using namespace std;

int main() {
    int tt;
    cin >> tt;
    while (tt--) {
        int n;
        cin >> n;
        vector<int> cnt(32);
        for (int i = 0; i < n; i++) {
            int a;
            cin >> a;
            cnt[__builtin_clz(a)]++;
        }
        long long ans = 0;
        for (int i = 0; i < 32; i++) {
            ans += 1LL * cnt[i] * (cnt[i] - 1) / 2;
        }
        cout << ans << endl;
    }
    return 0;
}