diff --git a/lib/dl_api_lib_testing/dl_api_lib_testing/data_api_base.py b/lib/dl_api_lib_testing/dl_api_lib_testing/data_api_base.py
index 77c215feb..8c00f652e 100644
--- a/lib/dl_api_lib_testing/dl_api_lib_testing/data_api_base.py
+++ b/lib/dl_api_lib_testing/dl_api_lib_testing/data_api_base.py
@@ -87,6 +87,7 @@ def create_data_api_settings(
             FIELD_ID_GENERATOR_TYPE=FieldIdGeneratorType.suffix,
             FILE_UPLOADER_BASE_URL=f"{bi_test_config.file_uploader_api_host}:{bi_test_config.file_uploader_api_port}",
             FILE_UPLOADER_MASTER_TOKEN="qwerty",
+            QUERY_PROCESSING_MODE=cls.query_processing_mode,
         )  # type: ignore
 
     @pytest.fixture(scope="function")
diff --git a/lib/dl_connector_clickhouse/dl_connector_clickhouse_tests/db/api/test_complex_queries.py b/lib/dl_connector_clickhouse/dl_connector_clickhouse_tests/db/api/test_complex_queries.py
index cd051c759..ff2924a9a 100644
--- a/lib/dl_connector_clickhouse/dl_connector_clickhouse_tests/db/api/test_complex_queries.py
+++ b/lib/dl_connector_clickhouse/dl_connector_clickhouse_tests/db/api/test_complex_queries.py
@@ -1,8 +1,7 @@
 from dl_api_lib_testing.connector.complex_queries import DefaultBasicComplexQueryTestSuite
-from dl_constants.enums import QueryProcessingMode
 
 from dl_connector_clickhouse_tests.db.api.base import ClickHouseDataApiTestBase
 
 
 class TestClickHouseBasicComplexQueries(ClickHouseDataApiTestBase, DefaultBasicComplexQueryTestSuite):
-    query_processing_mode = QueryProcessingMode.native_wf
+    pass
diff --git a/lib/dl_connector_postgresql/dl_connector_postgresql_tests/db/api/test_complex_queries.py b/lib/dl_connector_postgresql/dl_connector_postgresql_tests/db/api/test_complex_queries.py
index 3f52e7ea4..401f34a04 100644
--- a/lib/dl_connector_postgresql/dl_connector_postgresql_tests/db/api/test_complex_queries.py
+++ b/lib/dl_connector_postgresql/dl_connector_postgresql_tests/db/api/test_complex_queries.py
@@ -1,8 +1,7 @@
 from dl_api_lib_testing.connector.complex_queries import DefaultBasicComplexQueryTestSuite
-from dl_constants.enums import QueryProcessingMode
 
 from dl_connector_postgresql_tests.db.api.base import PostgreSQLDataApiTestBase
 
 
 class TestPostgreSQLBasicComplexQueries(PostgreSQLDataApiTestBase, DefaultBasicComplexQueryTestSuite):
-    query_processing_mode = QueryProcessingMode.native_wf
+    pass