[Bug 2109340] Autopkgtest regression report (update-manager/1:25.04.5)

[Ubuntu SRU Bot]

All autopkgtests for the newly accepted update-manager (1:25.04.5) for plucky have finished running.
The following regressions have been reported in tests triggered by the package:

update-notifier/3.197 (s390x)


Please visit the excuses page listed below and investigate the failures, proceeding afterwards as per the StableReleaseUpdates policy regarding autopkgtest regressions [1].

https://people.canonical.com/~ubuntu-archive/proposed-
migration/plucky/update_excuses.html#update-manager

[1] https://wiki.ubuntu.com/StableReleaseUpdates#Autopkgtest_Regressions

Thank you!

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https://bugs.launchpad.net/bugs/2109340

Title:
  Test suite failures: stderr confusion

Status in update-manager package in Ubuntu:
  New
Status in update-manager source package in Plucky:
  Fix Committed
Status in update-manager source package in Questing:
  New

Bug description:
  [Impact]
  After fixing bug 2109339, tests in plucky fail due to a change in xvfb-run that now causes stderr to remain on stderr, and hence a Testsuite-Restriction: allow-stderr needs to be added.

  [Test plan]
  autopkgtests should succeed after upload.

  [Where problems could occur]
  By allowing stderr we could not see regressions in new warnings, however that is not a regression, the tests did not work before, and when they worked, they were inadvertently rendered to stdout :D

  [Other information]
  Also there are annoying "TestResult has no addDuration method" warnings that we should be fixing, these are really in nose, see bug 2109342 for details.

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