fix scanner limits processing

Author: ivanmorozov333

ydb/core/kqp/ut/common/kqp_ut_common.h

@@ -98,6 +98,7 @@ struct TKikimrSettings: public TTestFeatureFlagsHolder<TKikimrSettings> {
         exchangerSettings->SetStartDelayMs(10);
         exchangerSettings->SetMaxDelayMs(10);
         AppConfig.MutableColumnShardConfig()->SetDisabledOnSchemeShard(false);
+        AppConfig.MutableColumnShardConfig()->SetMaxInFlightIntervalsOnRequest(1);
         FeatureFlags.SetEnableSparsedColumns(true);
         FeatureFlags.SetEnableWritePortionsOnInsert(true);
         FeatureFlags.SetEnableParameterizedDecimal(true);