Tested with 0.16.4+bzr1981+201307031634~precise1.
But the result is still failing.

modern911@jeffrey-Audi15:~/source/checkbox$ /usr/lib/checkbox/bin/audio_test -d
DEBUG:root:autoaudiosrc
        ! queue
        ! level message=true
        ! audioconvert
        ! audio/x-raw, channels=1, rate=(int)44100
        ! audioresample
        ! spectrum interval=100000000 bands = 256
        ! wavenc
        ! filesink location=/dev/null
DEBUG:root:audiotestsrc wave=sine freq=7278 ! audioconvert ! audioresample ! autoaudiosink
INFO:root:Using PulseAudio identifier 6 (alsa_input.pci-0000_00_1b.0.analog-stereo) for input
INFO:root:Using PulseAudio identifier 4 (alsa_output.pci-0000_00_1b.0.analog-stereo) for output
DEBUG:root:Registering message handler: <bound method GStreamerMessageHandler.bus_message_handler of <__main__.GStreamerMessageHandler object at 0x1bf1450>>
INFO:root:Player: Starting
INFO:root:Recorder: Starting
DEBUG:root:Peak level: -350.00, volume: 0%, Volume change: 5.000000%
DEBUG:root:Sampling, recorded 0 samples
DEBUG:root:Sampling, recorded 1 samples
DEBUG:root:Peak level: -78.27, volume: 5%, Volume change: 5.000000%
DEBUG:root:Sampling, recorded 2 samples
DEBUG:root:Peak level: -70.31, volume: 10%, Volume change: 5.000000%
DEBUG:root:Sampling, recorded 3 samples
DEBUG:root:Peak level: -60.21, volume: 15%, Volume change: 5.000000%
DEBUG:root:Sampling, recorded 4 samples
DEBUG:root:Peak level: -53.53, volume: 20%, Volume change: 5.000000%
DEBUG:root:Sampling, recorded 5 samples
DEBUG:root:Peak level: -48.73, volume: 25%, Volume change: 5.000000%
DEBUG:root:Sampling, recorded 6 samples
DEBUG:root:Peak level: -42.70, volume: 30%, Volume change: 5.000000%
DEBUG:root:Sampling, recorded 7 samples
DEBUG:root:Peak level: -38.85, volume: 35%, Volume change: 5.000000%
DEBUG:root:Sampling, recorded 8 samples
DEBUG:root:Peak level: -32.68, volume: 40%, Volume change: 5.000000%
DEBUG:root:Sampling, recorded 9 samples
DEBUG:root:Peak level: -33.53, volume: 45%, Volume change: 5.000000%
DEBUG:root:Sampling, recorded 10 samples
DEBUG:root:Peak level: -30.05, volume: 50%, Volume change: 5.000000%
DEBUG:root:Sampling, recorded 11 samples
DEBUG:root:Sampling, recorded 12 samples
DEBUG:root:Peak level: -26.49, volume: 55%, Volume change: 5.000000%
DEBUG:root:Sampling, recorded 13 samples
DEBUG:root:Peak level: -25.53, volume: 60%, Volume change: 5.000000%
DEBUG:root:Sampling, recorded 14 samples
DEBUG:root:Peak level: -22.41, volume: 65%, Volume change: 5.000000%
DEBUG:root:Sampling, recorded 15 samples
DEBUG:root:Peak level: -20.45, volume: 70%, Volume change: 5.000000%
DEBUG:root:Sampling, recorded 16 samples
DEBUG:root:Peak level: -20.30, volume: 75%, Volume change: 5.000000%
DEBUG:root:Sampling, recorded 17 samples
DEBUG:root:Peak level: -12.99, volume: 80%, Volume change: 5.000000%
DEBUG:root:Sampling, recorded 18 samples
DEBUG:root:Peak level: -8.67, volume: 85%, Volume change: 5.000000%
DEBUG:root:Sampling, recorded 19 samples
INFO:root:Sampling complete, ending process
INFO:root:Player: Stopping
INFO:root:Recorder: Stopping
DEBUG:root:Band (86.13,172.27) contains a magnitude peak
INFO:root:FAIL: Test frequency of 7278.22265625 is not in one of the bands with magnitude peaks