Guidelines, hints/tips for test design at L8
| Level | Clean deployment |
| Objective | To ensure that the system is clean from issues related to migration, upgrading, installation on different platforms. |
| What to test | End-to-end business flows |
| Test for what | Typical issues looking for at this level are issues related to installation/upgrade/migration/un-installation. Issues related to installation of various deployment environments, non-release of temporary resources used during installation, partial installation, upgrade and roll back issues, migration issues etc will be targeted at this level. |
| Design guidelines | Understand the various deployment environments, combination of deployment environments to be considered, type of installation (remote, download and install, using CD), partial upgrade, rollback process, un-installation process, migration process etc. |
| Hints/Tips | Based on the above information formulate a strategy that covers all the combination of environments, vary the environment setup details and test for the behavior of application in varying running environments. |