Updated .gitignore to exclude target folder generated by Maven.
Updated pom.xml to use JUnit version 4.11.
Added 3 TODOs for 3 cases we are going to test.
Working on test a_new_ticket_must_have_the_turn_number_subsequent_to_the_previous_ticket(). Wrote an assertion.
Wrote Arrange and Act parts of the test.
Made test a_new_ticket_must_have_the_turn_number_subsequent_to_the_previous_ticket() to pass. Removed the mock and related test which could be done in the future. Sorry, Jackygit status ;-)