iterator: Add unit test for the single iterator
iterator: Add unit test for the single iterator

jpakkane/gstreamer,collects/gstreamer,collects/gstreamer,drothlis/gstreamer,Distrotech/gstreamer,lovebug356/gstreamer,lovebug356/gstreamer,ensonic/gstreamer,magcius/gstreamer,lubosz/gstreamer,centricular/gstreamer,jpakkane/gstreamer,drothlis/gstreamer,justinjoy/gstreamer,krieger-od/gstreamer,ahmedammar/platform_external_gst_gstreamer,shelsonjava/gstreamer,centricular/gstreamer,Lachann/gstreamer,shelsonjava/gstreamer,magcius/gstreamer,collects/gstreamer,mrchapp/gstreamer,cablelabs/gstreamer,jpxiong/gstreamer,krieger-od/gstreamer,krichter722/gstreamer,surround-io/gstreamer,mrchapp/gstreamer,jpxiong/gstreamer,Lachann/gstreamer,cfoch/gstreamer,ensonic/gstreamer,krichter722/gstreamer,mrchapp/gstreamer,krieger-od/gstreamer,Distrotech/gstreamer,drothlis/gstreamer,jpakkane/gstreamer,jpakkane/gstreamer,mrchapp/gstreamer,krichter722/gstreamer,StreamUtils/gstreamer,shelsonjava/gstreamer,ylatuya/gstreamer,cablelabs/gstreamer,lovebug356/gstreamer,jpakkane/gstreamer,magcius/gstreamer,shelsonjava/gstreamer,drothlis/gstreamer,collects/gstreamer,krieger-od/gstreamer,StreamUtils/gstreamer,mparis/gstreamer,jpxiong/gstreamer,surround-io/gstreamer,Distrotech/gstreamer,surround-io/gstreamer,magcius/gstreamer,StreamUtils/gstreamer,surround-io/gstreamer,justinjoy/gstreamer,cablelabs/gstreamer,centricular/gstreamer,cfoch/gstreamer,mparis/gstreamer,justinjoy/gstreamer,cfoch/gstreamer,ahmedammar/platform_external_gst_gstreamer,lubosz/gstreamer,ylatuya/gstreamer,ensonic/gstreamer,ensonic/gstreamer,cablelabs/gstreamer,ahmedammar/platform_external_gst_gstreamer,centricular/gstreamer,lubosz/gstreamer,jpxiong/gstreamer,mparis/gstreamer,ylatuya/gstreamer,justinjoy/gstreamer,cablelabs/gstreamer,collects/gstreamer,lubosz/gstreamer,shelsonjava/gstreamer,Lachann/gstreamer,mrchapp/gstreamer,StreamUtils/gstreamer,ensonic/gstreamer,Lachann/gstreamer,krichter722/gstreamer,lovebug356/gstreamer,justinjoy/gstreamer,drothlis/gstreamer,Distrotech/gstreamer,lubosz/gstreamer,ylatuya/gstreamer,magcius/gstreamer,StreamUtils/gstreamer,mparis/gstreamer,surround-io/gstreamer,ylatuya/gstreamer,ahmedammar/platform_external_gst_gstreamer,jpxiong/gstreamer,krichter722/gstreamer,ahmedammar/platform_external_gst_gstreamer,cfoch/gstreamer,krieger-od/gstreamer,Lachann/gstreamer,mparis/gstreamer,cfoch/gstreamer,lovebug356/gstreamer,centricular/gstreamer,Distrotech/gstreamer