fix(用例管理): 追加评审人问题处理

backend/services/case-management/src/main/java/io/metersphere/functional/service/CaseReviewFunctionalCaseService.java

@@ -568,7 +568,9 @@ public class CaseReviewFunctionalCaseService {
                     list.add(caseUser);
                 });
             });
+            if (CollectionUtils.isNotEmpty(list)) {
                 caseReviewFunctionalCaseUserMapper.batchInsert(list);
+            }
         } else {
             //更新评审人
             extCaseReviewFunctionalCaseUserMapper.deleteByCaseIds(caseIds, request.getReviewId());

backend/services/case-management/src/test/java/io/metersphere/functional/controller/CaseReviewFunctionalCaseControllerTests.java

@@ -369,6 +369,11 @@ public class CaseReviewFunctionalCaseControllerTests extends BaseTest {
         request.setReviewerId(List.of("wx11"));
         request.setSelectIds(List.of("wx_test_10"));
         this.requestPostWithOkAndReturn(BATCH_EDIT_REVIEWERS, request);
+        //覆盖率
+        request.setReviewId("wx_review_id_4");
+        request.setReviewerId(List.of("wx11"));
+        request.setSelectIds(List.of("wx_test_10"));
+        this.requestPostWithOkAndReturn(BATCH_EDIT_REVIEWERS, request);
     }
 
     @Test