Comment 3 for bug 1646558

Today:

11:13:11 11: /<<BUILDDIR>>/mir-0.25.0+xenial3087bzr3867/tests/acceptance-tests/test_nested_input.cpp:368: Failure
11:13:11 11: Actual function call count doesn't match EXPECT_CALL(nested_event_filter, handle(AllOf(mt::PointerEventWithPosition(final_x, final_y), mt::PointerEventWithDiff(x[2], y[2]))))...
11:13:11 11: Expected: to be called once
11:13:11 11: Actual: never called - unsatisfied and active
11:13:11 11: [ FAILED ] NestedInputWithMouse.mouse_pointer_position_is_in_sync_with_host_server (3285 ms)

https://mir-jenkins.ubuntu.com/job/build-2-binpkg-mir/arch=amd64,compiler=gcc,platform=mesa,release=xenial+overlay/3059/consoleFull

This surely must be a recent regression...?