#include<iostream>
#include<vector>
#define int long long
using namespace std;

signed main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int t;
    cin>>t;
    while(t--){
        int n;
        cin>>n;
        vector<int> v(78,0);
        for(int a,i=1;i<=n;i++){
            cin>>a;
            v[31-__builtin_clz(a)]++;
        }
        int ans=0;
        for(int i=0;i<=30;i++){
            ans+=v[i]*(v[i]-1)/2;
        }
        cout<<ans<<"\n";
    }
}