description, handles-states=true,
    ges-options={\
        "--disable-mixing",
        "--videosink=fakevideosink",
        "--audiosink=fakesink"\
    }

add-clip, name=clip, asset-id="framerate=30/1", layer-priority=0, type=GESTestClip, pattern=blue, duration=5000.0
set-layer-active, tracks={gesvideotrack0}, active=false, layer-priority=0

pause;

# Make sure the video test src is a gap test src.
check-property, target-element-factory-name=videotestsrc, property-name=pattern, property-value="100% Black"
check-property, target-element-factory-name=audiotestsrc, property-name=wave, property-value="Sine"

set-layer-active, tracks={gesvideotrack0}, active=true, layer-priority=0
set-layer-active, tracks={gesaudiotrack0}, active=false, layer-priority=0
commit;
# Make sure the video test src is the GESVideoTestSource and the audio test source is a gap
check-property, target-element-factory-name=videotestsrc, property-name=pattern, property-value="Blue"
check-property, target-element-factory-name=audiotestsrc, property-name=wave, property-value="Silence"

stop;