v0.8.9.1 Hotfix (#4376)

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API.Tests/AbstractDbTest.cs

@@ -57,6 +57,8 @@ public abstract class AbstractDbTest(ITestOutputHelper testOutputHelper): Abstra
         GlobalConfiguration.Configuration.UseInMemoryStorage();
         var unitOfWork = new UnitOfWork(_context, mapper, null);
 
+        _context.ChangeTracker.Clear();
+
         return (unitOfWork, _context, mapper);
     }