Comment 1 for bug 1646558

And again:

02:50:43 9: [ RUN ] NestedInputWithMouse.mouse_pointer_position_is_in_sync_with_host_server
...
02:50:48 9: /<<BUILDDIR>>/mir-0.25.0+yakkety3041bzr3846/tests/acceptance-tests/test_nested_input.cpp:368: Failure
02:50:48 9: 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]))))...
02:50:48 9: Expected: to be called once
02:50:48 9: Actual: never called - unsatisfied and active
02:50:48 9: [ FAILED ] NestedInputWithMouse.mouse_pointer_position_is_in_sync_with_host_server (4946 ms)

https://mir-jenkins.ubuntu.com/job/build-2-binpkg-mir/arch=amd64,compiler=clang,platform=mesa,release=yakkety/3013/consoleFull