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Observation¶

In around 1/400 test runs t/05-scheduler-full fails with

t/05-scheduler-full.t .. 3/? 
    #   Failed test 'Allocated maximum number of jobs that could have been allocated'
    #   at t/05-scheduler-full.t line 241.
    #          got: '9'
    #     expected: '10'
    # Looks like you failed 1 test of 1.

Steps to reproduce¶

Follow #59043#note-31

Expected result¶

t/05-scheduler-full.t should be stable, e.g. in 1000/1000 runs.

Suggestions¶

• Reproduce the issue in your local environment, e.g. with time env runs=400 count_fail_ratio prove -l t/05-scheduler-full.t using http://github.com/okurz/scripts/bin/count_fail_ratio
• Investigate how the check in t/05-scheduler-full.t line 241 can fail, apply fixes and prove stability, e.g. with time env runs=1000 count_fail_ratio prove -l t/05-scheduler-full.t