Mute ydb/core/kqp/ut/olap/ 2 tests (#9214)

Author: naspirato

.github/config/muted_ya.txt

@@ -347,6 +347,8 @@ ydb/core/kqp/ut/query KqpStats.SysViewClientLost
 ydb/core/kqp/ut/olap KqpOlap.ManyColumnShards
 ydb/core/kqp/ut/olap KqpDecimalColumnShard.TestFilterCompare
 ydb/core/kqp/ut/olap KqpDecimalColumnShard.TestAggregation
+ydb/core/kqp/ut/olap KqpOlapAggregations.Aggregation_ResultCountAll_FilterL
+ydb/core/kqp/ut/olap KqpOlapAggregations.Aggregation_ResultCountT_FilterL
 ydb/public/sdk/cpp/client/ydb_topic/ut TxUsage.WriteToTopic_Invalid_Session
 ydb/library/actors/interconnect/ut_huge_cluster HugeCluster.AllToAll
 ydb/tests/functional/hive test_drain.py.TestHive.test_drain_on_stop