#include <bits/stdc++.h>

using namespace std;

#define ll long long
#define flt double
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()

ll get(int n, vector<ll> cnt) {
    ll c = n + 1;
    ll sm = 0;
    while (c > 0 && sm < c) {
        c -= 1;
        sm += cnt[c - 1];
    }
    return 1 + sm - c;
}

int32_t main() {
    if (1) {
        ios::sync_with_stdio(0);
        cin.tie(0);
        cout.tie(0);
    }
#ifdef LOCAL
    freopen("../input.txt", "r", stdin);
    freopen("../output.txt", "w", stdout);
#endif
    int t;
    cin >> t;
    while (t--) {
        int n, m;
        cin >> n >> m;
        vector<vector<int>> g(n, vector<int>());
        for (int i = 0; i < m; i += 1) {
            int u, v;
            cin >> u >> v;
            --u;
            --v;
            g[u].push_back(v);
            g[v].push_back(u);
        }
        vector<ll> cnt(n, 0);
        for (int i = 0; i < n; i += 1) {
            cnt[(int)g[i].size()] += 1;
        }
        ll rs1 = get(n, cnt);
        reverse(all(cnt));
        ll rs2 = get(n, cnt);
        cout << rs1 << " " << rs2 << "\n";
    }
    return 0;
}