[testsfail] MultiThreadedCompositor.cleans_up_after_throw_in_start

[Kevin DuBois]

unit test failure seen in an unrelated branch (neither test code nor production code involved was being changed.
https://jenkins.qa.ubuntu.com/job/mir-clang-vivid-amd64-build/2954/console
Could not reproduce locally, even under using stress to increase system load. Seems pretty rare.

[Launchpad Janitor (janitor)]

[Expired for Mir because there has been no activity for 60 days.]

[Daniel van Vugt (vanvugt)]

Happened again today:

14:48:29 [ RUN ] MultiThreadedCompositor.cleans_up_after_throw_in_start
14:48:29 /��BUILDDIR��/mir-0.23.0+vivid1118bzr3513/tests/unit-tests/compositor/test_multi_threaded_compositor.cpp:809: Failure
14:48:29 Value of: db_compositor_factory->enough_records_gathered(nbuffers, min_number_of_records)
14:48:29 Actual: false
14:48:29 Expected: true
14:48:29 [ FAILED ] MultiThreadedCompositor.cleans_up_after_throw_in_start (1443 ms)

https://mir-jenkins.ubuntu.com/job/build-2-binpkg-mir/arch=i386,compiler=gcc,platform=android,release=vivid+overlay/1089/consoleFull

[Michał Sawicz (saviq)]

Syncing task from Mir.