test:basic: Do not add useless references, and minor improvements
test:basic: Do not add useless references, and minor improvements

cfoch/gst-editing-services,cfoch/gst-editing-services,pitivi/gst-editing-services,cfoch/ges,pitivi/gst-editing-services,cfoch/ges,pitivi/gst-editing-services,cfoch/ges,cfoch/ges,pitivi/gst-editing-services,cfoch/gst-editing-services,cfoch/gst-editing-services