#include<bits/stdc++.h>
using namespace std;
#include <atcoder/all>
using namespace atcoder;
using mint=modint998244353; //1000000007;
using ll=long long;
using pp=pair<int,int>;
#define sr string 
#define vc vector
#define fi first
#define se second
#define rep(i,n) for(int i=0;i<(int)n;i++)
#define pb push_back
#define all(v) v.begin(),v.end()
#define pque priority_queue
#define bpc(a) __builtin_popcount(a)
int main(){
  int t;cin>>t;
  rep(z,t){
    int n;cin>>n;
    vc<int>dp(n,0);
    int last; cin>>last; last--;
    rep(i,n-1){
      int a;cin>>a; a--;
      if(a>last)dp[last]++,dp[a]--;
      else dp[a]++,dp[last]--;
      last=a;
    }
    int ans=0;
    rep(i,n-1)dp[i+1]+=dp[i];
    rep(i,n)ans=max(ans,dp[i]+1);
    cout<<ans<<"\n";
  }
}