diff --git a/tests/Server/ZB.MOM.WW.OtOpcUa.Runtime.Tests/Historian/ContinuousHistorizationRecorderTypedValueTests.cs b/tests/Server/ZB.MOM.WW.OtOpcUa.Runtime.Tests/Historian/ContinuousHistorizationRecorderTypedValueTests.cs
index c11e0e54a..67c304cfb 100644
--- a/tests/Server/ZB.MOM.WW.OtOpcUa.Runtime.Tests/Historian/ContinuousHistorizationRecorderTypedValueTests.cs
+++ b/tests/Server/ZB.MOM.WW.OtOpcUa.Runtime.Tests/Historian/ContinuousHistorizationRecorderTypedValueTests.cs
@@ -144,7 +144,7 @@ public sealed class ContinuousHistorizationRecorderTypedValueTests : TestKit
 
     private async Task<HistorizationValue> AwaitSingleWriteAsync(PoolThreadValueWriter writer)
     {
-        await AwaitConditionAsync(() => Task.FromResult(writer.Snapshot().Count > 0), TimeSpan.FromSeconds(5));
+        await AwaitConditionAsync(() => Task.FromResult(writer.Snapshot().Count > 0), TimeSpan.FromSeconds(5), TimeSpan.FromMilliseconds(20));
         IReadOnlyList<(string Tag, HistorizationValue Value)> written = writer.Snapshot();
         written.Count.ShouldBe(1);
         written[0].Tag.ShouldBe(Ref);