CLAP-152 Fix: 테스트 오류 수정

Author: joowojr

src/test/java/clap/server/application/service/task/FindTaskListServiceTest.java

@@ -27,6 +27,9 @@
 
 @ExtendWith(MockitoExtension.class)
 class FindTaskListServiceTest {
+
+    @Mock
+    private MemberService memberService;
     @Mock
     private LoadTaskPort loadTaskPort;
     @InjectMocks