Closed Task: Add Test Cases for All the current methods that does not [1785]

Possibility to Mock<IToken> to get the results we expect instead of directly performing the queries.
Comments: Resolved with changeset 33482: Version 0.9.0.0
- Tested AccountControllers
- Added Setup helpers to simplify the development of tests
- Updated Assembly info of TweetinviControllers to give Testinvi access to internals