Adding write read smoke tests
Adding try-catch and moving depedencies
fixing identation problem
wrapped all in a try and catch
Removing lint warnings
Tidy up backdrop read/write smoke test

- Improve error messages
- Fix indentation
- Handle the case where the read api response is valid json but not
  formatted how we expect
Merge pull request #65 from alphagov/sensu-smoke-tests

Adding write read smoke tests