Delete collections after all tests

Author: davidmatas

tests/apps/mooc_backend/features/step_definitions/controller.steps.ts

@@ -13,9 +13,7 @@ Given('I send a GET request to {string}', (route: string) => {
 });
 
 Given('I send a PUT request to {string} with body:', (route: string, body: string) => {
-  _request = request(app)
-    .put(route)
-    .send(JSON.parse(body));
+  _request = request(app).put(route).send(JSON.parse(body));
 });
 
 Then('the response status code should be {int}', async (status: number) => {
@@ -37,5 +35,6 @@ Before(async () => {
 
 AfterAll(async () => {
   const environmentArranger: Promise<EnvironmentArranger> = container.get('Mooc.EnvironmentArranger');
+  await (await environmentArranger).arrange();
   await (await environmentArranger).close();
 });