<NME> test-helper.js
<BEF> import { setResolver } from 'ember-mocha';
import resolver from './helpers/resolver';

setResolver(resolver);

<MSG> Replace automatic test start via timeout with explicit `start()` call

<DFF> @@ -1,4 +1,6 @@
-import { setResolver } from 'ember-mocha';
+import { setResolver, start } from 'ember-mocha';
 import resolver from './helpers/resolver';
 
 setResolver(resolver);
+
+start();

Replace automatic test start via timeout with explicit `start()` call