#include
using namespace std;
int helper(int arr[],int N){
if(N<=2) return N;
int ans=0;
for(int i=0;i<N-1;i++){
if(arr[i+1]>=arr[i]){
int j=i;
while(j<N-1 && arr[j+1]>=arr[j]){
j++;
}
while(j<N-1 && arr[j+1]<=arr[j] ){
j++;
}
if(j-i+1>ans) ans=j-i+1;
//cout<<j<<" "<<i<<endl;
i=j-1;
}else{
int j=i;
while(j<N-1 && arr[j+1]<=arr[j] ){
j++;
}
if(j-i+1>ans) ans=j-i+1;
//cout<<i<<" "<<j<<endl;
i=j-1;
}
}
return ans;
}
int main() {
int t;
cin>>t;
while(t–){
int N;
cin>>N;
int arr[N];
for(int i=0;i<N;i++) cin>>arr[i];
cout<<helper(arr,N)<<endl;
}
return 0;
}