Add limit builder tests

Author: jakewmeyer

test/builders/limit-query.test.js

@@ -0,0 +1,25 @@
+
+const request = require('supertest');
+const app = require('../../src/app');
+
+beforeAll((done) => {
+  app.on('ready', () => {
+    done();
+  });
+});
+
+//------------------------------------------------------------
+//                     Limit Query Test
+//------------------------------------------------------------
+
+test('It should return all launches with a limit of zero', async () => {
+  const response = await request(app.callback()).get('/v2/launches?limit=0');
+  expect(response.statusCode).toBe(200);
+  expect(response.body.length).toBeGreaterThan(0);
+});
+
+test('It should return only the first five launches', async () => {
+  const response = await request(app.callback()).get('/v2/launches?limit=5');
+  expect(response.statusCode).toBe(200);
+  expect(response.body.length).toBe(5);
+});