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 33495: Version 0.9.0.0
- Updated code logic for CreateFriendship(IUserDTO) - No validty check is performed anymore by the query executor
- Added test for CreateFriendship(IUserDTO)