With recent ember-cli development, the resolver modifications no longer seem to be necessary

[begedin]

As of ember-cli 2.17.0, the test-helper module no longer uses the custom tests/helpers/resolver.js and instead defaults to the app/resolver.js. Basically, the whole tests/helpers/resolver.js file is removed completely.

With it gone, and the app resolver being used, it looks like the fix for pluralized ability: 'abilities' is no longer necessary, so we should be able to safely remove it, unless I'm mistaken.

[jamesarosen]

I think it's only fixed if initializer:ember-can is required. You don't have to run the initializer since the relevant resolver modifications are in the module, not the initializer it exports. That means that if an acceptance test runs first, it'll work. If a unit or integration test runs first, however, there could be problems.

The blueprint should at minimum add

// tests/test-helper.js

import '{{appName}}/initializers/ember-can'

Perhaps better would be to create something like

// addon/utils/initialize-resolver.js
export default function() {
  // do stuff to resolver
}

and then import and run that from app/initializers/ember-can and from tests/test-helper.js.