tests: Fix clock regression test
tests: Fix clock regression test

Fix up the values the test is checking for now that
the clock regression returns parameters starting from
the end of the regression range.

jpxiong/gstreamer,jpxiong/gstreamer,mparis/gstreamer,mparis/gstreamer,krichter722/gstreamer,shelsonjava/gstreamer,shelsonjava/gstreamer,jpxiong/gstreamer,krichter722/gstreamer,mparis/gstreamer,shelsonjava/gstreamer,StreamUtils/gstreamer,StreamUtils/gstreamer,centricular/gstreamer,StreamUtils/gstreamer,centricular/gstreamer,centricular/gstreamer,krichter722/gstreamer,StreamUtils/gstreamer,mparis/gstreamer,krichter722/gstreamer,jpxiong/gstreamer,krichter722/gstreamer,shelsonjava/gstreamer,mparis/gstreamer,centricular/gstreamer,shelsonjava/gstreamer,jpxiong/gstreamer,StreamUtils/gstreamer,centricular/gstreamer