fix[poll]:poll테스트수정

Author: GarakChoi

backend/src/test/java/com/ai/lawyer/domain/poll/controller/PollControllerTest.java

@@ -19,6 +19,7 @@
 import jakarta.servlet.http.Cookie;
 import static org.mockito.BDDMockito.*;
 import com.ai.lawyer.global.jwt.TokenProvider;
+import com.ai.lawyer.domain.poll.dto.PollStaticsResponseDto;
 
 @Import(SecurityConfig.class)
 @AutoConfigureMockMvc
@@ -92,7 +93,7 @@ void t3() throws Exception {
     @Test
     @DisplayName("투표 통계 조회")
     void t4() throws Exception {
-        Mockito.when(pollService.getPollStatics(Mockito.anyLong())).thenReturn(java.util.Collections.emptyList());
+        Mockito.when(pollService.getPollStatics(Mockito.anyLong())).thenReturn(new PollStaticsResponseDto());
 
         mockMvc.perform(get("/api/polls/1/statics")
                 .cookie(new Cookie("accessToken", "valid-access-token")))

backend/src/test/java/com/ai/lawyer/domain/poll/service/PollServiceTest.java

@@ -4,6 +4,7 @@
 import com.ai.lawyer.domain.poll.dto.PollCreateDto;
 import com.ai.lawyer.domain.poll.dto.PollVoteDto;
 import com.ai.lawyer.domain.poll.dto.PollUpdateDto;
+import com.ai.lawyer.domain.poll.dto.PollStaticsResponseDto;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
@@ -54,9 +55,9 @@ void t3() {
     @Test
     @DisplayName("투표 통계 조회")
     void t4() {
-        java.util.List expected = java.util.Collections.emptyList();
+        PollStaticsResponseDto expected = new PollStaticsResponseDto();
         Mockito.when(pollService.getPollStatics(Mockito.anyLong())).thenReturn(expected);
-        java.util.List result = pollService.getPollStatics(1L);
+        PollStaticsResponseDto result = pollService.getPollStatics(1L);
         assertThat(result).isEqualTo(expected);
     }