diff --git a/backend/src/main/resources/data.sql b/backend/src/main/resources/data.sql
index 27c3b9e7..35015899 100644
--- a/backend/src/main/resources/data.sql
+++ b/backend/src/main/resources/data.sql
@@ -1,5 +1,68 @@
-INSERT INTO user (id, nickname, provider, provider_id, last_login)
-VALUES (1, 'test-user', 'kakao', 'kakao-1234', NOW());
+INSERT INTO user (nickname, provider, provider_id, last_login)
+VALUES
+    ('blueFox17', 'kakao', 'kakao-1', NOW()),
+    ('sparkLion23', 'kakao', 'kakao-2', NOW()),
+    ('novaTiger88', 'kakao', 'kakao-3', NOW()),
+    ('mintWolf5', 'kakao', 'kakao-4', NOW()),
+    ('darkFalcon32', 'kakao', 'kakao-5', NOW()),
+    ('chocoBear91', 'kakao', 'kakao-6', NOW()),
+    ('swiftOtter3', 'kakao', 'kakao-7', NOW()),
+    ('crazyKoala47', 'kakao', 'kakao-8', NOW()),
+    ('luckyWhale19', 'kakao', 'kakao-9', NOW()),
+    ('tinyMoose7', 'kakao', 'kakao-10', NOW()),
+    ('sunnyLizard22', 'kakao', 'kakao-11', NOW()),
+    ('fuzzyCat12', 'kakao', 'kakao-12', NOW()),
+    ('stormEagle9', 'kakao', 'kakao-13', NOW()),
+    ('frostRabbit6', 'kakao', 'kakao-14', NOW()),
+    ('amberGoose99', 'kakao', 'kakao-15', NOW()),
+    ('wittyDog42', 'kakao', 'kakao-16', NOW()),
+    ('zebraKnight77', 'kakao', 'kakao-17', NOW()),
+    ('happyDeer13', 'kakao', 'kakao-18', NOW()),
+    ('ironTurtle55', 'kakao', 'kakao-19', NOW()),
+    ('lazyHawk31', 'kakao', 'kakao-20', NOW()),
+    ('pixelPanda8', 'kakao', 'kakao-21', NOW()),
+    ('grapeSeal66', 'kakao', 'kakao-22', NOW()),
+    ('redMole21', 'kakao', 'kakao-23', NOW()),
+    ('lunaShark29', 'kakao', 'kakao-24', NOW()),
+    ('noblePiglet45', 'kakao', 'kakao-25', NOW()),
+    ('quietYak17', 'kakao', 'kakao-26', NOW()),
+    ('jumboDuck33', 'kakao', 'kakao-27', NOW()),
+    ('rapidWorm11', 'kakao', 'kakao-28', NOW()),
+    ('boldSwan73', 'kakao', 'kakao-29', NOW()),
+    ('vividAnt9', 'kakao', 'kakao-30', NOW());
+
+INSERT INTO stat (user_id, score, total_games, winning_games, created_at, updated_at)
+VALUES
+    (1, 10, 1, 1, NOW(), NOW()),
+    (2, 20, 3, 2, NOW(), NOW()),
+    (3, 15, 2, 1, NOW(), NOW()),
+    (4, 5, 1, 0, NOW(), NOW()),
+    (5, 25, 4, 3, NOW(), NOW()),
+    (6, 12, 2, 1, NOW(), NOW()),
+    (7, 18, 3, 2, NOW(), NOW()),
+    (8, 30, 5, 4, NOW(), NOW()),
+    (9, 7, 1, 0, NOW(), NOW()),
+    (10, 22, 3, 2, NOW(), NOW()),
+    (11, 16, 2, 1, NOW(), NOW()),
+    (12, 9, 1, 0, NOW(), NOW()),
+    (13, 27, 4, 3, NOW(), NOW()),
+    (14, 14, 2, 1, NOW(), NOW()),
+    (15, 8, 1, 1, NOW(), NOW()),
+    (16, 23, 3, 2, NOW(), NOW()),
+    (17, 11, 2, 1, NOW(), NOW()),
+    (18, 19, 3, 2, NOW(), NOW()),
+    (19, 6, 1, 0, NOW(), NOW()),
+    (20, 28, 4, 3, NOW(), NOW()),
+    (21, 13, 2, 1, NOW(), NOW()),
+    (22, 10, 1, 1, NOW(), NOW()),
+    (23, 21, 3, 2, NOW(), NOW()),
+    (24, 17, 2, 1, NOW(), NOW()),
+    (25, 24, 4, 3, NOW(), NOW()),
+    (26, 29, 5, 4, NOW(), NOW()),
+    (27, 26, 4, 3, NOW(), NOW()),
+    (28, 31, 5, 4, NOW(), NOW()),
+    (29, 32, 5, 4, NOW(), NOW()),
+    (30, 33, 5, 5, NOW(), NOW());
 
 
 INSERT INTO quiz (title,
diff --git a/backend/src/test/java/io/f1/backend/domain/game/app/RoomServiceTests.java b/backend/src/test/java/io/f1/backend/domain/game/app/RoomServiceTests.java
index 67c26298..3e8ae628 100644
--- a/backend/src/test/java/io/f1/backend/domain/game/app/RoomServiceTests.java
+++ b/backend/src/test/java/io/f1/backend/domain/game/app/RoomServiceTests.java
@@ -56,9 +56,7 @@ class RoomServiceTests {
     void setUp() {
         MockitoAnnotations.openMocks(this); // @Mock 어노테이션이 붙은 필드들을 초기화합니다.
 
-        roomService =
-                new RoomService(
-                        timerService, quizService, roomRepository, eventPublisher, messageSender);
+        roomService = new RoomService(quizService, roomRepository, eventPublisher, messageSender);
 
         SecurityContextHolder.clearContext();
     }