Summary of changes:
- Added tox.ini to test rock.
- Added unit tests to test rock's integrity (passing)
- Added integration tests (not passing, needs update from Seldon Core
  Operator integration tests)

Summary of changes:
- Modified tox.ini according to code review comments.
- Updated security requirements part.
- Moved rock to use bare base.

Summary of changes:
- Reorganized tox.ini
- Updated tests to use filesystem.

Summary of changes:
- Added fixture to test.

Summary of changes:
- Added fixture to test.

…onical/seldonio-rocks into kf-3006-feat-seldon-rock-integration

Summary of changes:
- Re-organise tox to avoid not needed microk8s setup.

Summary of changes:
- Updated tox.ini to run tests.

Summary of changes:
- Updated ROCK definition.
- Updated tests.

…06-feat-seldon-rock-integration

Summary of changes:
- Added test to verify that service name in ROCK matches the service
  name in the corresponding charm.

canonical/seldon-core-operator#133

Summary of changes:
- Updated rockcraft.yaml with new run-user option to run as non-root.
- Updated import procedure.

Summary of changes:
- Reverted to use of shell commands and `yq` instead of CheckRock test
  class from chisme package.

NOTE: Use of bash shell commands significantly reduces maintability of
tox.ini