Comment 0 for bug 1408231

Tests are outputting (too many) log messages:

[----------] 4 tests from DemoPrivateProtobuf
[ RUN ] DemoPrivateProtobuf.client_calls_server
[1420618801.421818] (II) DisplayServer: Mir version 0.10.0
[ OK ] DemoPrivateProtobuf.client_calls_server (26 ms)
[ RUN ] DemoPrivateProtobuf.wrapping_message_processor
[1420618801.442053] (II) DisplayServer: Mir version 0.10.0
[ OK ] DemoPrivateProtobuf.wrapping_message_processor (18 ms)
[ RUN ] DemoPrivateProtobuf.server_receives_function_call
[1420618801.466653] (II) DisplayServer: Mir version 0.10.0
[ OK ] DemoPrivateProtobuf.server_receives_function_call (29 ms)
[ RUN ] DemoPrivateProtobuf.client_receives_result
[1420618801.500652] (II) DisplayServer: Mir version 0.10.0
[ OK ] DemoPrivateProtobuf.client_receives_result (32 ms)
[----------] 4 tests from DemoPrivateProtobuf (108 ms total)

[----------] 2 tests from SurfaceLoop
[ RUN ] SurfaceLoop.all_created_buffers_are_destroyed
[1420618801.538223] (II) DisplayServer: Mir version 0.10.0
[ OK ] SurfaceLoop.all_created_buffers_are_destroyed (60 ms)
[ RUN ] SurfaceLoop.all_created_buffers_are_destroyed_if_client_disconnects_without_releasing_surfaces
[1420618801.601339] (II) DisplayServer: Mir version 0.10.0
[ OK ] SurfaceLoop.all_created_buffers_are_destroyed_if_client_disconnects_without_releasing_surfaces (64 ms)
[----------] 2 tests from SurfaceLoop (125 ms total)

[----------] 2 tests from StaleFrames
[ RUN ] StaleFrames.are_dropped_when_restarting_compositor
[1420618801.670529] (II) DisplayServer: Mir version 0.10.0
[ OK ] StaleFrames.are_dropped_when_restarting_compositor (264 ms)
[ RUN ] StaleFrames.only_fresh_frames_are_used_after_restarting_compositor
[1420618801.939657] (II) DisplayServer: Mir version 0.10.0
[ OK ] StaleFrames.only_fresh_frames_are_used_after_restarting_compositor (270 ms)
[----------] 2 tests from StaleFrames (543 ms total)