test(stastic-list): add waitFor call

Author: derrabauke

tests/integration/components/statistic-list/component-test.js

@@ -1,6 +1,6 @@
 import { A } from "@ember/array";
 import ArrayProxy from "@ember/array/proxy";
-import { render } from "@ember/test-helpers";
+import { render, waitFor } from "@ember/test-helpers";
 import { hbs } from "ember-cli-htmlbars";
 import { setupRenderingTest } from "ember-qunit";
 import moment from "moment";
@@ -99,6 +99,8 @@ module("Integration | Component | statistic list", function (hooks) {
       </div>
     `);
 
+    await waitFor("table tbody tr");
+
     assert.dom("[data-test-statistic-list-column]").exists({ count: 4 });
     assert.dom("[data-test-statistic-list-row]").exists({ count: 2 });
     assert.dom(".total").hasText("34h 30m");