Add basic test to check for invalid routes and the API is running

Signed-off-by: João Victor Tozatti Risso <jvtr12@inf.ufpr.br>

src/test/api.js

+process.env.NODE_ENV = 'test';
+
+const chai = require('chai');
+
+const dirtyChai = require('dirty-chai');
+
+chai.use(dirtyChai);
+
+const chaiXml = require('chai-xml');
+
+chai.use(chaiXml);
+
+const chaiHttp = require('chai-http');
+
+const assert = chai.assert;
+
+const expect = chai.expect;
+
+const should = chai.should(); // actually call the function
+
+const libs = `${process.cwd()}/libs`;
+
+const server = require(`${libs}/app`);
+
+chai.use(chaiHttp);
+
+describe('API is running', () => {
+    it('should respond it\'s running', (done) => {
+        chai.request(server)
+            .get('/api/v1')
+            .end((err, res) => {
+                res.should.have.status(200);
+                res.should.be.json;
+                res.body.should.have.property('msg');
+                done();
+            })
+    });
+
+    it('should respond with 404 error', (done) => {
+        chai.request(server)
+            .get('/api/v1/thisrouteshouldgivea404')
+            .end((err, res) => {
+                res.should.have.status(200);
+                res.should.be.json;
+                res.body.should.have.property('msg');
+                done();
+            })
+    });
+});