test: test 검증 변수명 수정

Author: KSH0326

src/main/java/com/back/domain/study/plan/service/StudyPlanService.java

@@ -261,7 +261,7 @@ private StudyPlanResponse createModifiedVirtualPlan(StudyPlan originalPlan, Stud
             RepeatRuleEmbeddable modifiedRule = exception.getModifiedRepeatRule();
             StudyPlanResponse.RepeatRuleResponse newRepeatRule = new StudyPlanResponse.RepeatRuleResponse();
             newRepeatRule.setFrequency(modifiedRule.getFrequency());
-            newRepeatRule.setIntervalValue(modifiedRule.getIntervalValue());
+            newRepeatRule.setIntervalValue(modifiedRule.getRepeatInterval());
             newRepeatRule.setByDay(modifiedRule.getByDay());
             newRepeatRule.setUntilDate(modifiedRule.getUntilDate());
 
@@ -470,7 +470,7 @@ private void updateRepeatRule(RepeatRule repeatRule, StudyPlanRequest.RepeatRule
     private RepeatRuleEmbeddable createRepeatRuleEmbeddable(StudyPlanRequest.RepeatRuleRequest request, LocalDateTime startDate) {
         RepeatRuleEmbeddable embeddable = new RepeatRuleEmbeddable();
         embeddable.setFrequency(request.getFrequency());
-        embeddable.setIntervalValue(request.getIntervalValue());
+        embeddable.setRepeatInterval(request.getIntervalValue());
 
         // byDay 자동 설정 (오버로딩된 메서드 사용)
         getByDayInWeekly(request, startDate, embeddable);

src/test/java/com/back/domain/study/plan/controller/StudyPlanControllerTest.java

@@ -201,7 +201,7 @@ void t2() throws Exception {
                 .andExpect(jsonPath("$.data.startDate").value("2025-09-26T10:46:00"))
                 .andExpect(jsonPath("$.data.endDate").value("2025-09-26T11:46:00"))
                 .andExpect(jsonPath("$.data.repeatRule.frequency").value("DAILY"))
-                .andExpect(jsonPath("$.data.repeatRule.repeatInterval").value(1))
+                .andExpect(jsonPath("$.data.repeatRule.intervalValue").value(1))
                 .andExpect(jsonPath("$.data.repeatRule.byDay", hasSize(0)))
                 .andExpect(jsonPath("$.data.repeatRule.untilDate").value("2025-12-31"));