Commented 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: Associated with changeset 33603: Version 0.9.0.0
- Implementing Tests for FriendshipQueryGenerator
- Create Friendship (UserDTO, ScreenName, Id)
- Update Friendship Authorizations (ScreenName, Id)
- Destroy Friendship (UserDTO, ScreenName, Id)

- Updated code to resolve failing tests notably the DestroyFriendship that did not invoke the right Twitter Sevice operation.