What problem does this code solve?
Set up unit tests for user-managed JSONObject map type. Ensure that all methods result in a JSONObject map type that matches the one created in the default constructor.

Risks
Low

Changes to the API?
Added a getMapType() method to JSONObject

Will this require a new release?
No

Should the documentation be updated?
No

Does it break the unit tests?
No

Was any code refactored in this commit?
A few unit tests were adjusted to make it easier to test multiple JSONObject and JSONArray instances.

Review status
APPROVED - by myself