bsc: f_TC_cm_serv_rej: tweak f_sleep()ing

Make the test more stable by sleeping a bit before stopping all
components. Also reduce the f_sleep(3.0), an accidental leftover from
initial debugging.

Related: SYS#4878
Change-Id: I005af13baac4bca2a431b09b2a6bbfe7077342e0
1 file changed