incompatible types JsonPathResultMatchers cannot be converted to org.springframework.test.web.servlet.ResultMatcher

package com.kknd.brave.springboot.web;


import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
import org.springframework.test.context.junit4.SpringRunner;
import org.springframework.test.web.servlet.MockMvc;


//import static org.assertj.core.internal.bytebuddy.matcher.ElementMatchers.is;
import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
import static org.hamcrest.Matchers.is;

@RunWith(SpringRunner.class)
@WebMvcTest(controllers = HelloController.class)
public class HelloControllerTest {

    @Autowired
    private MockMvc mvc;

    @Test
    public void helloReturn() throws Exception {

        String hello = "hello";

        mvc.perform(get("/hello"))
                .andExpect(status().isOk())
                .andExpect(content().string(hello));

    }


    public  void helloDtoReturn() throws  Exception {
        String name = "Hello";
        int amount = 10000;

        mvc.perform(
                get("/hello/dto")
                                .param("name", name)
                                .param("amount", String.valueOf(amount)))
                .andExpect(status().isOk())
                .andExpect(jsonPath("$.amount", is(amount)))
                .andExpect(jsonPath("$.name", is(name)));
    }

}

import import static org.assertj.core.internal.bytebuddy.matcher.ElementMatchers.is 되어 있는걸 

import static org.hamcrest.Matchers.is; 변경한다.