diff --git a/src/test/java/com/example/springsecuritystudy/note/NoteControllerTest.java b/src/test/java/com/example/springsecuritystudy/note/NoteControllerTest.java
index 8c2e389..bf4cf85 100644
--- a/src/test/java/com/example/springsecuritystudy/note/NoteControllerTest.java
+++ b/src/test/java/com/example/springsecuritystudy/note/NoteControllerTest.java
@@ -4,6 +4,8 @@ import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.MediaType;
+import org.springframework.security.test.context.support.TestExecutionEvent;
+import org.springframework.security.test.context.support.WithUserDetails;
 import org.springframework.test.web.servlet.MockMvc;
 import org.springframework.test.web.servlet.setup.MockMvcBuilders;
 import org.springframework.web.context.WebApplicationContext;
@@ -35,12 +37,12 @@ class NoteControllerTest extends TestConfig {
 				.alwaysDo(print())
 				.build();
 		User user2 = User.builder()
-				.username("user")
+				.username("user123")
 				.password("user")
 				.authority("ROLE_USER")
 				.build();
 		User admin2 = User.builder()
-				.username("admin")
+				.username("admin123")
 				.password("admin")
 				.authority("ROLE_ADMIN")
 				.build();
@@ -57,9 +59,15 @@ class NoteControllerTest extends TestConfig {
 	}
 
 	@Test
+	//WithUserDetails 로 테스트 하는 방법
+	@WithUserDetails(
+			value = "user123", // userDetailsService를 통해 가져올 수 있는 유저
+			userDetailsServiceBeanName = "userDetailServiceImpl", // UserDetailsService 구현체의 Bean
+			setupBefore = TestExecutionEvent.TEST_EXECUTION // 테스트 실행 직전에 유저를 가져온다.
+	)
 	void getNote_인증있음() throws Exception {
 		mvc.perform(
-				get("/note").with(user(user))
+				get("/note")
 		).andExpect(status().isOk());
 	}
 
@@ -75,9 +83,14 @@ class NoteControllerTest extends TestConfig {
 	}
 
 	@Test
+	@WithUserDetails(
+			value = "admin123",
+			userDetailsServiceBeanName = "userDetailServiceImpl",
+			setupBefore = TestExecutionEvent.TEST_EXECUTION
+	)
 	void postNote_어드민인증있음() throws Exception {
 		mvc.perform(
-				post("/note").with(csrf()).with(user(admin))
+				post("/note").with(csrf())
 						.contentType(MediaType.APPLICATION_FORM_URLENCODED)
 						.param("title", "제목")
 						.param("content", "내용")
@@ -85,9 +98,14 @@ class NoteControllerTest extends TestConfig {
 	}
 
 	@Test
+	@WithUserDetails(
+			value = "user123",
+			userDetailsServiceBeanName = "userDetailServiceImpl",
+			setupBefore = TestExecutionEvent.TEST_EXECUTION
+	)
 	void postNote_유저인증있음() throws Exception {
 		mvc.perform(
-				post("/note").with(csrf()).with(user(user))
+				post("/note").with(csrf())
 						.contentType(MediaType.APPLICATION_FORM_URLENCODED)
 						.param("title", "제목")
 						.param("content", "내용")
@@ -105,19 +123,29 @@ class NoteControllerTest extends TestConfig {
 	}
 
 	@Test
+	@WithUserDetails(
+			value = "user123",
+			userDetailsServiceBeanName = "userDetailServiceImpl",
+			setupBefore = TestExecutionEvent.TEST_EXECUTION
+	)
 	void deleteNote_인증있음() throws Exception {
 		Note note = noteRepository.save(new Note("제목", "내용", user));
 		mvc.perform(
-				delete("/note?id=" + note.getId()).with(csrf()).with(user(user))
+				delete("/note?id=" + note.getId()).with(csrf())
 		).andExpect(redirectedUrl("note"))
 				.andExpect(status().is3xxRedirection());
 	}
 
 	@Test
+	@WithUserDetails(
+			value = "admin123",
+			userDetailsServiceBeanName = "userDetailServiceImpl",
+			setupBefore = TestExecutionEvent.TEST_EXECUTION
+	)
 	void deleteNote_어드민계정있음() throws Exception {
 		Note note = noteRepository.save(new Note("제목", "내용", user));
 		mvc.perform(
-				delete("/note?id=" + note.getId()).with(csrf()).with(user(admin))
+				delete("/note?id=" + note.getId()).with(csrf())
 		).andExpect(status().isForbidden());
 	}