* added tests for zen mode - change form in battle
* added tests to run some battle against trainer/rival & boss
* added a test with a method to kill a pokemon
* added an override in the clock mocked to reduce the time of fainting pokemon and thus reducing test time from 5s to less than 1s
* added some more tests + doAttack, doKillOpponents, toNextWave, toNextTurn helper
* added some more tests + doAttack, doKillOpponents, toNextWave, toNextTurn helper + fix some tests