* Refactor testing harness to use defaults
- Move tests into defaultly named test folders
- Use default test suffix of ".test" instead of "_test"
- Make cluster-store tests unit tests by adding more
nesting, so that order of tests doesn't matter
Signed-off-by: Sebastian Malton <sebastian@malton.name>
Co-authored-by: Sebastian Malton <smalton@mirantis.com>