The patch below moved test samples from under {tacker_root}/tacker/
to under {tacker_root}/samples/.
* https://review.opendev.org/c/openstack/tacker/+/907170
In accordance with this, this patch corrects the old paths left
in comments etc. with new paths.
Change-Id: Ib7b3f141a28c5339e1df4bbe89a4168fde81d786