diff --git a/TeachingRecordSystem/tests/TeachingRecordSystem.Core.Tests/Services/TrsDataSync/TrsDataSyncServiceTests.cs b/TeachingRecordSystem/tests/TeachingRecordSystem.Core.Tests/Services/TrsDataSync/TrsDataSyncServiceTests.cs
index 7a0252337..c2e1ffa2c 100644
--- a/TeachingRecordSystem/tests/TeachingRecordSystem.Core.Tests/Services/TrsDataSync/TrsDataSyncServiceTests.cs
+++ b/TeachingRecordSystem/tests/TeachingRecordSystem.Core.Tests/Services/TrsDataSync/TrsDataSyncServiceTests.cs
@@ -1,9 +1,14 @@
+
 namespace TeachingRecordSystem.Core.Tests.Services.TrsDataSync;
 
 [Collection(nameof(TrsDataSyncTestCollection))]
-public partial class TrsDataSyncServiceTests(TrsDataSyncServiceFixture fixture) : IClassFixture<TrsDataSyncServiceFixture>
+public partial class TrsDataSyncServiceTests(TrsDataSyncServiceFixture fixture) : IClassFixture<TrsDataSyncServiceFixture>, IAsyncLifetime
 {
     private TestableClock Clock => fixture.Clock;
 
     private TestData TestData => fixture.TestData;
+
+    Task IAsyncLifetime.DisposeAsync() => Task.CompletedTask;
+
+    Task IAsyncLifetime.InitializeAsync() => fixture.DbFixture.DbHelper.ClearDataAsync();
 }