test(content-recommendation): 추천 저장소 테스트 시간을 고정한다

src/test/kotlin/kr/co/vividnext/sodalive/v2/content/recommendation/adapter/out/persistence/DefaultAudioRecommendationQueryRepositoryTest.kt

@@ -161,7 +161,7 @@ class DefaultAudioRecommendationQueryRepositoryTest @Autowired constructor(
     @Test
     @DisplayName("New & Hot 후보는 조회/좋아요/댓글/최신성 점수순으로 산정하고 SAFE는 성인을 제외한다")
     fun shouldFindNewAndHotSnapshotsWithVisibility() {
-        val snapshotAt = LocalDateTime.now().plusDays(1)
+        val snapshotAt = LocalDateTime.of(2026, 6, 23, 12, 0)
         val windowStart = snapshotAt.minusDays(2).toLocalDate().atStartOfDay()
         val creator = saveMember("snapshot-creator", MemberRole.CREATOR)
         val theme = saveTheme()
@@ -186,7 +186,7 @@ class DefaultAudioRecommendationQueryRepositoryTest @Autowired constructor(
             releaseDate = visible.releaseDate!!,
             now = snapshotAt
         )
-        assertEquals(expectedScore, safe.first().score)
+        assertEquals(expectedScore, safe.first().score, 0.0001)
     }
 
     @Test
@@ -401,9 +401,9 @@ class DefaultAudioRecommendationQueryRepositoryTest @Autowired constructor(
     private fun saveLike(audio: AudioContent, createdAt: LocalDateTime) {
         val like = AudioContentLike(memberId = 1L)
         like.audioContent = audio
-        like.createdAt = createdAt
-        like.updatedAt = createdAt
         entityManager.persist(like)
+        entityManager.flush()
+        updateTimestamps("content_like", like.id!!, createdAt, createdAt)
     }
 
     private fun saveComment(
@@ -424,15 +424,22 @@ class DefaultAudioRecommendationQueryRepositoryTest @Autowired constructor(
         comment.audioContent = audio
         comment.member = writer
         comment.parent = parent
-        comment.createdAt = createdAt
-        comment.updatedAt = createdAt
         entityManager.persist(comment)
         entityManager.flush()
-        comment.createdAt = createdAt
+        updateTimestamps("content_comment", comment.id!!, createdAt, createdAt)
-        comment.updatedAt = createdAt
         return comment
     }
 
+    private fun updateTimestamps(tableName: String, id: Long, createdAt: LocalDateTime, updatedAt: LocalDateTime) {
+        entityManager.createNativeQuery(
+            "update $tableName set created_at = :createdAt, updated_at = :updatedAt where id = :id"
+        )
+            .setParameter("createdAt", createdAt)
+            .setParameter("updatedAt", updatedAt)
+            .setParameter("id", id)
+            .executeUpdate()
+    }
+
     private fun saveSeriesContent(series: Series, audio: AudioContent) {
         val seriesContent = SeriesContent()
         seriesContent.series = series