test_concurrent_threads_soft_limit/test.py::test_concurrent_threads_soft_limit_defined_50 is flaky on master:
https://s3.amazonaws.com/clickhouse-test-reports/0/fe249729c12ee09b13da11fad7d97b8ec5a19145/integration_tests__tsan__[6_6].html

cidb:
https://play.clickhouse.com/play?user=play#U0VMRUNUICogRlJPTSBjaGVja3MgV0hFUkUKICAgIHRlc3RfbmFtZSBpbGlrZSAnJXRlc3RfY29uY3VycmVudF90aHJlYWRzX3NvZnRfbGltaXRfZGVmaW5lZF81MCcgQU5ECiAgICBjaGVja19zdGFydF90aW1lID49IG5vdygpIC0gdG9JbnRlcnZhbFdlZWsoMSkgYW5kCiAgICB0ZXN0X3N0YXR1cyA9ICdGQUlMJwpPUkRFUiBCWSBjaGVja19zdGFydF90aW1lIGRlc2M=