Add test for mismatching charm name in file
add test for is_assigned
Add initial placement UI unit test suite
remove unused ServiceWidget init parameter, fix typo in test log
fix typo in comment
simplify tests, add test for actions
add tests for machine widgets
add MachinesList tests and remove PropertyMock overuse
update comment for MachinesList
add ServicesList tests
merging master
Merge pull request #292 from Ubuntu-Solutions-Engineering/more-placement-tests

Placement codebase cleanup & tests