#include<bits/stdc++.h>
#define YES cout<<"YES\n"
#define NO cout<<"NO\n"
#define endl "\n"
#define debug cout<<'*'<<'\n'
const int N = 1005, M = 1e5 + 500;
const int mod = 1e9 + 7, inf = 0x3f3f3f3f3f3f3f3f;
using namespace std;

struct pnode
{
	int x1, y1, x2, y2;
};
int mvx[4] = { 0,1,0,-1 };
int mvy[4] = { 1,0,-1,0 };

void solve()
{
	int n, m;
	cin >> n >> m;
	vector<vector<bool>> a(n + 2, vector<bool>(m + 2));
	for (int i = 1; i <= n; i++)
	{
		for (int j = 1; j <= m; j++)
		{
			char c;
			cin >> c;
			if (c == '.')a[i][j] = 1;
			else a[i][j] = 0;
		}
	}
	vector<vector<vector<vector<bool>>>> dp(n + 2, vector<vector<vector<bool>>>(m + 2, vector<vector<bool>>(n + 2, vector<bool>(m + 2))));
	vector<vector<vector<vector<bool>>>> vis(n + 2, vector<vector<vector<bool>>>(m + 2, vector<vector<bool>>(n + 2, vector<bool>(m + 2))));
	queue<pnode>q;
	for (int i = 1; i <= n; i++)
	{
		for (int j = 1; j <= m; j++)
		{
			for (int u = 0; u <= n + 1; u++)
			{
				for (int v = 0; v <= m + 1; v++)
				{
					if (a[i][j] == 1 && a[u][v] == 0)dp[i][j][u][v] = 1, q.push({ i,j,u,v });
				}
			}
		}
	}
	while (!q.empty())
	{
		auto now = q.front();
		q.pop();
		//cout << now.x1 << " " << now.y1 << " " << now.x2 << " " << now.y2 << endl;
		if (vis[now.x1][now.y1][now.x2][now.y2])continue;
		vis[now.x1][now.y1][now.x2][now.y2] = 1;
		for (int i = 0; i < 4; i++)
		{
			int x = now.x1 + mvx[i], y = now.y1 + mvy[i];
			int u = now.x2 + mvx[i], v = now.y2 + mvy[i];
			if (x >= 0 && x <= n + 1 && y >= 0 && y <= m + 1 && u >= 0 && u <= n + 1 && v >= 0 && v <= m + 1)
			{
			if (vis[x][y][u][v])continue;
				if (a[x][y] == 0 || a[u][v] == 0)continue;
				dp[x][y][u][v] = 1;
				q.push({ x,y,u,v });
			}
		}
	}
	int ans = 0;
	for (int i = 1; i <= n; i++)
	{
		for (int j = 1; j <= m; j++)
		{
			if (a[i][j] == 1)
			{
				bool f = 1;
				for (int u = 1; u <= n; u++)
				{
					for (int v = 1; v <= m; v++)
					{
						if (!(i == u && j == v) && dp[i][j][u][v] == 0)f = 0;
					}
				}
				if (f == 1)ans++;
			}
		}
	}
	cout << ans << "\n";
}
signed main()
{
	ios::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);

	int T = 1;
	cin >> T;
	while (T--)solve();
}