Include interface for connection manager

Author: rsaladocid

.gitignore

@@ -2,4 +2,4 @@ node_modules/
 dist/
 .tmp
 logs/
-src/Contexts/Mooc/Courses/infrastructure/courses.*
+src/Contexts/Mooc/Courses/infrastructure/persistence/courses.*

src/Contexts/Shared/infrastructure/persistence/ConnectionManager.ts

@@ -0,0 +1,4 @@
+export interface ConnectionManager {
+  connect(): Promise<void>;
+  close(): Promise<void>;
+}

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

@@ -3,6 +3,7 @@ import { Given, Then, AfterAll } from 'cucumber';
 import request from 'supertest';
 import app from '../../../../../src/apps/mooc_backend/app';
 import container from '../../../../../src/apps/mooc_backend/config/dependency-injection';
+import { ConnectionManager } from '../../../../../src/Contexts/Shared/infrastructure/persistence/ConnectionManager';
 
 let _request: request.Test;
 let _response: request.Response;
@@ -26,6 +27,6 @@ Then('the response should be empty', () => {
 });
 
 AfterAll(async () => {
-  const connectionManager = container.get('Mooc.ConnectionManager');
+  const connectionManager: Promise<ConnectionManager> = container.get('Mooc.ConnectionManager');
   await (await connectionManager).close();
 });