[Bug 1100158] New: perl-Server-Starter-0.17 FTBFS sometimes because of races in tests

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1100158

            Bug ID: 1100158
           Summary: perl-Server-Starter-0.17 FTBFS sometimes because of
                    races in tests
           Product: Fedora
           Version: rawhide
         Component: perl-Server-Starter
          Assignee: rc040203 at freenet.de
          Reporter: ppisar at redhat.com
        QA Contact: extras-qa at fedoraproject.org
                CC: perl-devel at lists.fedoraproject.org,
                    rc040203 at freenet.de
   External Bug ID: CPAN 73711



perl-Server-Starter-0.17 does not pass tests sometimes:

[...]
#           matches '(?^m:^FOO=foo-value2$)'
received TERM, sending TERM to all workers:30528,30535
worker 30528 died, status:0
worker 30535 died, status:0
exiting
[Test::TCP] Child process does not block(PID: 30526, PPID: 30525) at
/builddir/build/BUILD/Server-Starter-0.17/inc/Test/TCP.pm line 89.
# Looks like you failed 1 test of 4.
t/07-envdir.t ........ 
Dubious, test returned 1 (wstat 256, 0x100)
Failed 1/4 subtests 
Test Summary Report
-------------------
t/06-autorestart.t (Wstat: 512 Tests: 28 Failed: 2)
  Failed tests:  6-7
  Non-zero exit status: 2
t/07-envdir.t      (Wstat: 256 Tests: 4 Failed: 1)
  Failed test:  3
  Non-zero exit status: 1
Files=8, Tests=103, 137 wallclock secs ( 0.06 usr  0.00 sys +  1.50 cusr  0.25
csys =  1.81 CPU)
Result: FAIL

This happens especially if the build host is busy and delays hardcoded in the
tests are not enough. E.g. t/07-envdir.t:

       my $restart = sub {
            sleep 1;
            kill "HUP", $server_pid;
            sleep 2;
       };

If one removes these sleep()s, then the tests fails all the time. This is known
to the upstream <https://rt.cpan.org/Public/Bug/Display.html?id=73711>.

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