bugfix for finding tempest failed testcase
bugfix for finding tempest failed testcase

JIRA: FUNCTEST-719
1.in new tempest version, FAILED-->fail
see log https://build.opnfv.org/ci/view/dovetail/job/dovetail-compass-virtual-debug-master/163/artifact/results/tempest/tempest.log
2.there is a need to show the skipped testcase in tempest

Change-Id: If753c59971362625ae0797a0161e07b1e4ff94c8
Signed-off-by: MatthewLi <2ef7c0e35d2e32e8cfbe5a26f07f91caced6f03d@huawei.com>

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