import java.io.*;

import java.util.*;

public class Solution {

public static void main(String[] args) throws Exception {

System.setIn(new FileInputStream("input.txt"));

BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); // 빠른 읽기

StringTokenizer st = null;

StringBuilder sb = new StringBuilder();

int t = Integer.parseInt(br.readLine());

for (int tc=1; tc<=t; tc++) {

st = new StringTokenizer(br.readLine());

int n = Integer.parseInt(st.nextToken());

int p = Integer.parseInt(st.nextToken());

int[] study = new int[n];

boolean[] connect = new boolean[n];

st = new StringTokenizer(br.readLine());

for (int i=0; i<n; i++) {

study[i] = Integer.parseInt(st.nextToken());

}

System.out.println(Arrays.toString(study));

}

}

}