* update test-helpers to 0.5.6-rc.0 * remove comment that no longer applies * fix uses of expectEvent.notEmitted * remove mocha only * update to final version * Update test/token/ERC777/ERC777.test.js Co-authored-by: Nicolás Venturo <nicolas.venturo@gmail.com> Co-authored-by: Nicolás Venturo <nicolas.venturo@gmail.com>