Added A1-A6 tests. Updated D1-D6 tests.
Added B1-2, C1-3, E1-2, F1 and G1-2 tests. Fixed typo in road/transacting.
Added Main Joinent tests from F2 to N1
Updated B2, F*, G*, I2 ahd J* tests
Updated K*, L*, M* and N* cases. All tests should pass.
Polish the tests: update assertions, comments, verify.
Merge pull request #25 from DSRCompany/joinent_unit_test

Added A1-A6 tests. Updated D1-D6 tests.