* Stop trainer spawns on evil team and E4 floors
* Thanks Xavion
* change "floors" to "wave" in coment
* at test for not spawning 3 waves within fixed trainer battle
* remove out-commented code
* apply code formatting
* Updated test and make sure isWaveTrainer returns a boolean
* Update comment
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Co-authored-by: Felix Staud <felix.staud@headwire.com>