Add total sums of EUR/USD expenses

tests/helpers/create-component.js

@@ -0,0 +1,8 @@
+import { getContext } from '@ember/test-helpers';
+
+export default function createComponent(lookupPath, named = {}) {
+  let { owner } = getContext();
+  let componentManager = owner.lookup('component-manager:glimmer');
+  let { class: componentClass } = owner.factoryFor(lookupPath);
+  return componentManager.createComponent(componentClass, { named });
+}