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10208c83ca
The test process like that: - run long dns refresh process - request for the resolve hostname with short abort_source timer - result should be empty list, because of aborted request The test sometimes finishes long dns refresh before abort_source fired and the result list is not empty. There are two issues. First, as.reset() changes the abort_source timeout. The patch adds a get() method to the abort_source_timeout class, so there is no change in the abort_source timeout. Second, a sleep could be not reliable. The patch changes the long sleep inside a dns refresh lambda into condition_variable handling, to properly signal the end of the dns refresh process. Fixes: #26561 Fixes: VECTOR-268 It needs to be backported to 2025.4 Closes scylladb/scylladb#26566