Original commit message from CVS:
* tests/check/Makefile.am:
* tests/check/pipelines/wavpack.c: (bus_handler),
(identity_handoff), (fakesink_handoff), (GST_START_TEST),
(wavpack_suite), (main):
Add unit test that encodes and decodes some data, checks that it
is still the same and that all timestamps/offsets are perfect.
