Use the correct path of InvalidConfiguration

Since I9ec697c61cfb1f5750d82ae790c607029bfed3ca, we have moved
InvalidConfiguration exception to tempest.lib. There are still
two file have not been changed, this patch is a supplement.

Change-Id: I15952fa9cc83b82aeca26f66f63e9c82ea554f7d
2 files changed