modify ns terminate ut
modify ns terminate ut

Change-Id: I2bdf0ce033e99623158d45e4351c0ed706f6788d
Signed-off-by: ppleo <7ad112ae1b6efdd5da50ec5f4dd143639d87b1e4@zte.com.cn>

open-o/nfvo,open-o/nfvo,open-o/nfvo,open-o/nfvo,open-o/nfvo