Migrate d3js to v4 and correct d3js visualisations i.e. bug 3.20. Breadcrumb navigation for the language treemap has been improved
import { moduleFor, test } from 'ember-qunit';
moduleFor('route:tabs/thematiques', 'Unit | Route | tabs/thematiques', {
// Specify the other units that are required for this test.
// needs: ['controller:foo']
});
test('it exists', function(assert) {
let route = this.subject();
assert.ok(route);
});