인코딩 오류 수정

src/test/java/com/eactive/eai/rms/onl/manage/rule/layoutsync/LayoutSyncControllerTest.java

@@ -9,6 +9,8 @@ import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.client.RestTemplate;
 
+import java.nio.charset.Charset;
+
 import static org.junit.jupiter.api.Assertions.*;
 
 /**
@@ -37,9 +39,9 @@ class LayoutSyncControllerTest {
 
 		String url = BASE_URL + "?cmd=Message&schema=APIGW";
 
-		// HTTP 헤더 설정
+		// HTTP 헤더 설정 (EUC-KR)
 		HttpHeaders headers = new HttpHeaders();
-		headers.setContentType(MediaType.APPLICATION_XML);
+		headers.setContentType(new MediaType("application", "xml", Charset.forName("EUC-KR")));
 
 		// 요청 생성
 		HttpEntity<String> request = new HttpEntity<>(requestXml, headers);