Comment 2 for bug 1671033

Here are the run times from a recent branch of mine in CI. Looks like over a minute to complete this test case is pretty common...

https://mir-jenkins.ubuntu.com/job/build-2-binpkg-mir/arch=amd64,compiler=clang,platform=mesa,release=zesty/4235/consoleFull
09:51:55 19: [ OK ] MediatingDisplayChangerTest.confirmed_configuration_doesnt_revert_after_timeout (73195 ms)

https://mir-jenkins.ubuntu.com/job/build-2-binpkg-mir/arch=amd64,compiler=gcc,platform=mesa,release=xenial+overlay/4235/consoleFull
09:43:46 21: [ OK ] MediatingDisplayChangerTest.confirmed_configuration_doesnt_revert_after_timeout (49675 ms)

https://mir-jenkins.ubuntu.com/job/build-2-binpkg-mir/arch=amd64,compiler=gcc,platform=mesa,release=zesty/4235/consoleFull
09:50:04 21: [ OK ] MediatingDisplayChangerTest.confirmed_configuration_doesnt_revert_after_timeout (67826 ms)

https://mir-jenkins.ubuntu.com/job/build-2-binpkg-mir/arch=i386,compiler=gcc,platform=android,release=vivid+overlay/4235/consoleFull
09:33:42 11: [ OK ] MediatingDisplayChangerTest.confirmed_configuration_doesnt_revert_after_timeout (65554 ms)

https://mir-jenkins.ubuntu.com/job/build-2-binpkg-mir/arch=i386,compiler=gcc,platform=mesa,release=xenial+overlay/4235/consoleFull
MediatingDisplayChangerTest.confirmed_configuration_doesnt_revert_after_timeout (77161 ms)
09:46:50 21: [ RUN ]

https://mir-jenkins.ubuntu.com/job/device-runtests-mir/3235/device_type=krillin/consoleFull
09:51:00 [ OK ] MediatingDisplayChangerTest.confirmed_configuration_doesnt_revert_after_timeout (6717 ms)