change language treemap. id in struct can be a list of lexvo references
import { moduleFor, test } from 'ember-qunit';
moduleFor('route:sound', 'Unit | Route | sound', {
// Specify the other units that are required for this test.
// needs: ['controller:foo']
});
test('it exists', function(assert) {
var route = this.subject();
assert.ok(route);
});