Comment 5 for bug 1643432

Again:

07:27:49 11: /<<BUILDDIR>>/mir-0.26.0+xenial3528bzr3925/tests/acceptance-tests/test_nested_mir.cpp:724: Failure
07:27:49 11: Actual function call count doesn't match EXPECT_CALL(*mock_session_mediator_report, session_disconnect_called(_))...
07:27:49 11: Expected: to be called once
07:27:49 11: Actual: never called - unsatisfied and active
07:27:49 11: [ FAILED ] NestedServer.nested_platform_connects_and_disconnects (6676 ms)

https://mir-jenkins.ubuntu.com/job/build-2-binpkg-mir/arch=i386,compiler=gcc,platform=mesa,release=xenial+overlay/3498/consoleFull