stub out tests for waiter

tests/unit/store/async-leak-test.js

@@ -0,0 +1,44 @@
+import { module, test } from 'qunit';
+import JSONAPIAdapter from 'ember-data/adapters/json-api';
+import JSONAPISerializer from 'ember-data/serializers/json-api';
+import { setupTest } from 'ember-qunit';
+import Store from 'ember-data/store';
+import Model from 'ember-data/model';
+import { resolve, reject, Promise } from 'rsvp';
+import { attr } from '@ember-decorators/data';
+
+class Person extends Model {
+  @attr name;
+}
+
+module('unit/store async-waiter and leak detection', function(hooks) {
+  let store;
+  setupTest(hooks);
+
+  hooks.beforeEach(function() {
+    let { owner } = this;
+    owner.register('service:store', Store);
+    owner.register('model:person', Person);
+    store = owner.lookup('service:store');
+  });
+
+  test('await properly waits for pending requests', async function(assert) {
+
+  });
+
+  test('await works even when the adapter rejects', async function(assert) {
+
+  });
+
+  test('await works even when the adapter throws', async function(assert) {
+
+  });
+
+  test('when the store is torn down too early, the waiter throws', async function(assert) {
+
+  });
+
+  test('when configured, pending requests have useful stack traces', async function(assert) {
+
+  });
+});