Original commit message from CVS:
* check/Makefile.am:
* check/elements/audiotestsrc.c: (setup_audiotestsrc),
(cleanup_audiotestsrc), (GST_START_TEST), (audiotestsrc_suite),
(main):
add a test for audiotestsrc, testing all waves. Even seems
leak-free at first glance, nice job Stefan