split huge tests file (ydb-platform#3629)

Author: ivanmorozov333

.github/config/muted_ya.txt

@@ -19,10 +19,10 @@ ydb/core/kafka_proxy/ut KafkaProtocol.CreatePartitionsScenario
 ydb/core/kafka_proxy/ut KafkaProtocol.ProduceScenario
 ydb/core/kqp/provider/ut KikimrIcGateway.TestLoadBasicSecretValueFromExternalDataSourceMetadata
 ydb/core/kqp/ut/federated_query/generic *
-ydb/core/kqp/ut/olap KqpOlap.IndexesActualization
-ydb/core/kqp/ut/olap KqpOlap.BlobsSharing*
+ydb/core/kqp/ut/olap KqpOlapIndexes.IndexesActualization
+ydb/core/kqp/ut/olap KqpOlapBlobsSharing.*
 ydb/core/kqp/ut/olap KqpOlap.ScanQueryOltpAndOlap
-ydb/core/kqp/ut/olap KqpOlap.StatsUsageWithTTL
+ydb/core/kqp/ut/olap KqpOlapStatistics.StatsUsageWithTTL
 ydb/core/kqp/ut/olap KqpOlap.YqlScriptOltpAndOlap
 ydb/core/kqp/ut/pg KqpPg.CreateIndex
 ydb/core/kqp/ut/query KqpLimits.QueryReplySize