Refactor secret cleanup
This patch is the first in a refactor of the cleanup logic in our
tests.
This patch adds a new `cleanup()` method to the SecretClient that
attempts to delete all the secrets it creates.
Moving the responsibility of tracking which secrets to clean up down
to the client allows us more flexibility when cleaning up the resources.
e.g. it should be fairly easy to clean up secrets across multiple projects
by just calling the new `cleanup()` method on each client used.
This patch will also allow us to get rid of the overloaded `do_request()`
method that is currently used as a proxy to the client to be able to track
entities.
The change also makes the test code more explicit and easier to read.
Change-Id: Id9be832a0f255410bd955d94c32001fec500f32f
4 files changed