01443_merge_truncate_long flaky test (timeout) #50294
Description
Link: https://s3.amazonaws.com/clickhouse-test-reports/0/5be47338f1a9d21cf628fe90d9851c7348b4c216/stateless_tests__debug__[3_5].html
CIDB: https://play.clickhouse.com/play?user=play#U0VMRUNUIGNoZWNrX25hbWUsIHRlc3RfbmFtZSwgcmVwb3J0X3VybApGUk9NIGNoZWNrcwpXSEVSRSAxCiAgICBBTkQgY2hlY2tfc3RhcnRfdGltZSA+PSBub3coKSAtIElOVEVSVkFMIDEwIERBWQogICAgQU5EIHB1bGxfcmVxdWVzdF9udW1iZXIgPSAwCiAgICBBTkQgdGVzdF9zdGF0dXMgIT0gJ1NLSVBQRUQnCiAgICBBTkQgdGVzdF9zdGF0dXMgTElLRSAnRiUnCiAgICBBTkQgY2hlY2tfc3RhdHVzICE9ICdzdWNjZXNzJwogICAgYW5kIHRlc3RfbmFtZSBsaWtlICclMDE0NDNfbWVyZ2VfdHJ1bmNhdGVfbG9uZyUnCk9SREVSIEJZIGNoZWNrX25hbWUsIHRlc3RfbmFtZSwgY2hlY2tfc3RhcnRfdGltZQ==