diff --git a/ydb/core/kqp/ut/federated_query/generic_ut/kqp_generic_provider_ut.cpp b/ydb/core/kqp/ut/federated_query/generic_ut/kqp_generic_provider_ut.cpp
index 175718089600..c461fe68dfac 100644
--- a/ydb/core/kqp/ut/federated_query/generic_ut/kqp_generic_provider_ut.cpp
+++ b/ydb/core/kqp/ut/federated_query/generic_ut/kqp_generic_provider_ut.cpp
@@ -125,6 +125,7 @@ namespace NKikimr::NKqp {
             // step 3: ReadSplits
             std::vector<ui16> colData = {10, 20, 30, 40, 50};
             clientMock->ExpectReadSplits()
+                .Filtering(NYql::NConnector::NApi::TReadSplitsRequest::FILTERING_OPTIONAL)
                 .Split()
                     .Description("some binary description")
                     .Select()
@@ -221,6 +222,7 @@ namespace NKikimr::NKqp {
 
             // step 3: ReadSplits
             clientMock->ExpectReadSplits()
+                .Filtering(NYql::NConnector::NApi::TReadSplitsRequest::FILTERING_OPTIONAL)
                 .Split()
                     .Description("some binary description")
                     .Select()
@@ -313,6 +315,7 @@ namespace NKikimr::NKqp {
 
             // step 3: ReadSplits
             clientMock->ExpectReadSplits()
+                .Filtering(NYql::NConnector::NApi::TReadSplitsRequest::FILTERING_OPTIONAL)
                 .Split()
                     .Description("some binary description")
                     .Select()
@@ -418,6 +421,7 @@ namespace NKikimr::NKqp {
             std::vector<i32> filterColumnData = {42, 24};
             // clang-format off
             clientMock->ExpectReadSplits()
+                .Filtering(NYql::NConnector::NApi::TReadSplitsRequest::FILTERING_OPTIONAL)
                 .Split()
                     .Description("some binary description")
                     .Select(select)
diff --git a/ydb/library/yql/providers/generic/actors/ut/yql_generic_lookup_actor_ut.cpp b/ydb/library/yql/providers/generic/actors/ut/yql_generic_lookup_actor_ut.cpp
index cc4bda4bd69a..e85bdfa01e14 100644
--- a/ydb/library/yql/providers/generic/actors/ut/yql_generic_lookup_actor_ut.cpp
+++ b/ydb/library/yql/providers/generic/actors/ut/yql_generic_lookup_actor_ut.cpp
@@ -138,6 +138,7 @@ Y_UNIT_TEST_SUITE(GenericProviderLookupActor) {
 
         connectorMock->ExpectReadSplits()
             .DataSourceInstance(dsi)
+            .Filtering(NYql::NConnector::NApi::TReadSplitsRequest::FILTERING_MANDATORY)
             .Split()
                 .Description("Actual split info is not important")
                 .Done()