[test] update test_samples.py to gst-1.0, removing gobject.threads_init and using GLib's MainLoop
[test] update test_samples.py to gst-1.0, removing gobject.threads_init and using GLib's MainLoop

Parisson/TimeSide,Parisson/TimeSide,Parisson/TimeSide,Parisson/TimeSide,Parisson/TimeSide