Fix Issue 684: Replace var with const, let in filer/tests/spec/filer.buffer.spec.js (#697)
Fix Issue 684: Replace var with const, let in filer/tests/spec/filer.buffer.spec.js (#697)

* refactored code in tests/spec/filer.buffer.spec.js

* reverted changes to package-lock.json which shouldn't have been changed

* updated package-lock.json

* trying to fix bug

* roll back changes to package-lock.json, change lets to consts in filer.buffer.spec.js, added new line at the end of filer.buffer.spec.js

filerjs/filer,filerjs/filer,humphd/filer,humphd/filer