diff --git a/backend/src/test/java/net/pengcook/comment/service/CommentServiceTest.java b/backend/src/test/java/net/pengcook/comment/service/CommentServiceTest.java
index dda8a02f..fb4b0445 100644
--- a/backend/src/test/java/net/pengcook/comment/service/CommentServiceTest.java
+++ b/backend/src/test/java/net/pengcook/comment/service/CommentServiceTest.java
@@ -27,7 +27,7 @@
 @Sql(scripts = "/data/comment.sql")
 class CommentServiceTest {
 
-    private static final int INITIAL_COMMENT_COUNT = 4;
+    private static final int INITIAL_TOTAL_COMMENT_COUNT = 4;
 
     @Autowired
     private CommentService commentService;
@@ -60,13 +60,14 @@ void createComment() {
         CreateCommentRequest request = new CreateCommentRequest(2L, "thank you!");
         UserInfo userInfo = new UserInfo(2L, "ela@pengcook.net");
         Recipe recipe = recipeRepository.findById(2L).orElseThrow();
-        int before = recipe.getCommentCount();
+        int beforeRecipeCommentCount = recipe.getCommentCount();
 
         commentService.createComment(request, userInfo);
+        int afterRecipeCommentCount = recipeRepository.findById(2L).orElseThrow().getCommentCount();
 
         assertAll(
-                () -> assertThat(commentRepository.count()).isEqualTo(INITIAL_COMMENT_COUNT + 1),
-                () -> assertThat(recipeRepository.findById(2L).orElseThrow().getCommentCount()).isEqualTo(before + 1)
+                () -> assertThat(commentRepository.count()).isEqualTo(INITIAL_TOTAL_COMMENT_COUNT + 1),
+                () -> assertThat(afterRecipeCommentCount).isEqualTo(beforeRecipeCommentCount + 1)
         );
     }
 
@@ -76,14 +77,14 @@ void deleteComment() {
         UserInfo userInfo = new UserInfo(1L, "ela@pengcook.net");
         Recipe recipe = commentRepository.findById(2L).orElseThrow().getRecipe();
         Long recipeId = recipe.getId();
-        int before = recipe.getCommentCount();
+        int beforeRecipeCommentCount = recipe.getCommentCount();
 
         commentService.deleteComment(2L, userInfo);
+        int afterRecipeCommentCount = recipeRepository.findById(recipeId).orElseThrow().getCommentCount();
 
         assertAll(
-                () -> assertThat(commentRepository.count()).isEqualTo(INITIAL_COMMENT_COUNT - 1),
-                () -> assertThat(recipeRepository.findById(recipeId).orElseThrow().getCommentCount()).isEqualTo(
-                        before - 1)
+                () -> assertThat(commentRepository.count()).isEqualTo(INITIAL_TOTAL_COMMENT_COUNT - 1),
+                () -> assertThat(afterRecipeCommentCount).isEqualTo(beforeRecipeCommentCount - 1)
         );
     }
 
@@ -112,7 +113,7 @@ void deleteCommentWhenNotCommentOwner() {
     void deleteCommentsByRecipe() {
         commentService.deleteCommentsByRecipe(1L);
 
-        assertThat(commentRepository.count()).isEqualTo(INITIAL_COMMENT_COUNT - 3);
+        assertThat(commentRepository.count()).isEqualTo(INITIAL_TOTAL_COMMENT_COUNT - 3);
     }
 
     @Test
@@ -120,7 +121,7 @@ void deleteCommentsByRecipe() {
     void deleteCommentsByUser() {
         commentService.deleteCommentsByUser(2L);
 
-        assertThat(commentRepository.count()).isEqualTo(INITIAL_COMMENT_COUNT - 2);
+        assertThat(commentRepository.count()).isEqualTo(INITIAL_TOTAL_COMMENT_COUNT - 2);
     }
 
     @Test