#include <cstdio>
#include <algorithm>
#include <queue>

using namespace std;

int main()
{
    int a;
    scanf("%d",&a);
    for(int i=0; i<a; i++)
    {
        int n,m;
        scanf("%d %d",&n,&m);
        
        int mwl=m;
        queue<int> q;
        int order[105]={};
        for(int j=0; j<n; j++)
        {
            int pt;
            scanf("%d",&pt);
            order[j]=pt;
            q.push(pt);
        }
        sort(order,order+n);
        
        int op=0;
        int t=0;
        while(!q.empty())
        {
            if(q.front()<order[op])
            {
                q.push(q.front());
                q.pop();
            }
            else
            {
                t++;
                q.pop();
                op++;
            }
        }
        printf("%d\n",t);
    }
    
}

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