enable_antlr4_parser in experiment tests

Author: asmyasnikov

.github/workflows/tests.yml

@@ -122,7 +122,7 @@ jobs:
           YDB_LOCAL_SURVIVE_RESTART: true
           YDB_USE_IN_MEMORY_PDISKS: true
           YDB_TABLE_ENABLE_PREPARED_DDL: true
-          YDB_FEATURE_FLAGS: enable_topic_service_tx
+          YDB_FEATURE_FLAGS: enable_topic_service_tx,enable_antlr4_parser
           YDB_ENABLE_COLUMN_TABLES: true
         options: '-h localhost'
     env: