Added backend tests and npm test to Dockerfile

test/routes/healthcheck.ts

@@ -0,0 +1,18 @@
+import healthRouter from '../../src/routes/healthcheck';
+import * as request from 'supertest';
+import * as express from 'express';
+
+describe('backend:routes/healthcheck', () => {
+	it('should return 200', (done) => {
+		const app = express();
+		app.use(healthRouter);
+		request(app)
+			.get("/")
+			.set('Accept', 'application/json')
+			.expect(200)
+			.end((err, res) => {
+				if (err) throw err;
+				done();
+			});
+	});
+});