* Add tests to command_line for json_attrs
* Add json_attrs to command_line
* Remove whitespace on blank line
* Stick to <80 row length
* Use collections.Mapping, not dict
* Rename *attrs to *attributes
* Remove extraneous + for string concat
* Test multiple keys
* Add test
Makes sure the sensor's attributes don't contain a value for a missing key,
even if we want that key.
* Test that unwanted keys are skipped
* Remove additional log line
* Update tests for log changes
* Fix ordering
1d68f4e279