added note on how to run tests
added note on how to run tests

OpenNeuroLab/brainspell-neo,neelsomani/brainspell-neo,OpenNeuroLab/brainspell-neo,neelsomani/brainspell-neo,neelsomani/brainspell-neo,OpenNeuroLab/brainspell-neo,OpenNeuroLab/brainspell-neo