chore: fix flow error in ci

Author: jedwards1211

test/index.js

@@ -1,6 +1,6 @@
 // @flow
 
-import { describe, it, beforeEach, afterEach } from 'mocha'
+import { describe, it, before, after, beforeEach, afterEach } from 'mocha'
 import { expect, assert } from 'chai'
 import delay from 'waait'
 import sinon from 'sinon'