Bugfix: fix the wrong class name
Bugfix: fix the wrong class name

JIRA: FUNCTEST-642

Fix the bug of patch: https://gerrit.opnfv.org/gerrit/#/c/25391/5/functest/ci/run_tests.py

Change-Id: Iad2f1be32bdf0c391a40cd845ed2ca52ce8856f6
Signed-off-by: helenyao <3eb787ab97713f28a85d5a5517e91512dad61756@huawei.com>

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