Modify cmd for parser
Modify cmd for parser

The modification is related to https://gerrit.opnfv.org/gerrit/#/c/49649/

Change-Id: I51ec841da49dd05ee454896514a9e1b7761ee035
Signed-off-by: shangxdy <107c0ad1366302926223e36142fcb0dd27f1b990@zte.com.cn>

mywulin/functest,opnfv/functest,mywulin/functest,opnfv/functest