Correct the folder for post_test_hook.sh
Correct the folder for post_test_hook.sh

The folder for post_test_hook.sh is incorrect in kingbird
jenkin job, it should be in kingbird/tests/tempest but
not kingbird/tempest.

Change-Id: If8b7e5067331a996baac8f05c25d7a804c6504ae
Signed-off-by: joehuang <a9255ab284bb421be02744591ccbe1d599fb05d5@huawei.com>

openstack-infra/project-config,openstack-infra/project-config