Try to fix unstable unittests. #8344
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[APPROVALNOTIFIER] This PR is APPROVED This pull-request has been approved by: JaySon-Huang, Lloyd-Pottiger The full list of commands accepted by this bot can be found here. The pull request process is described here
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cherry-pick to release-7.5 in #8363 |
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cherry-pick to release-7.1 in #8346 |
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What problem does this PR solve?
Issue Number: ref #6233
Problem Summary:
Unittests TestDateTimeDayMonthYear.dayMonthYearTest is unstable, due to "std::exception. Code: 1001, type: std::__1::system_error, e.what() = random_device failed to open /dev/urandom: Operation not permitted".
What is changed and how it works?
std::random_devicewithstd::chrono::system_clockhere to avoid exceptions like 'random_device failed to open /dev/urandom: Operation not permitted'.Check List
Tests
Side effects
Documentation
Release note