diff --git a/src/Ydb.Sdk/test/Ydb.Sdk.Ado.Tests/YdbConnectionTests.cs b/src/Ydb.Sdk/test/Ydb.Sdk.Ado.Tests/YdbConnectionTests.cs
index 1ba54cce..74e22715 100644
--- a/src/Ydb.Sdk/test/Ydb.Sdk.Ado.Tests/YdbConnectionTests.cs
+++ b/src/Ydb.Sdk/test/Ydb.Sdk.Ado.Tests/YdbConnectionTests.cs
@@ -19,7 +19,7 @@ public sealed class YdbConnectionTests : TestBase
     [Fact]
     public async Task ClearPool_WhenHasActiveConnection_CloseActiveConnectionOnClose()
     {
-        var connectionString = ConnectionString + ";MaxPoolSize=100";
+        var connectionString = ConnectionString + ";MaxPoolSize=100;CreateSessionTimeout=20";
 
         var tasks = GenerateTasks(connectionString);
         tasks.Add(YdbConnection.ClearPool(new YdbConnection(connectionString)));