feat(bearer):bearer token method

lib/test.js

@@ -172,6 +172,18 @@ class Test extends Request {
     fn.call(this, errorObj || null, res);
   }
 
+  /*
+    * Adds a set Authorization Bearer
+    *
+    * @param {Bearer} Bearer Token
+    * Shortcut for .set('Authorization', `Bearer ${token}`)
+    */
+
+  bearer(token) {
+    this.set('Authorization', `Bearer ${token}`);
+    return this;
+  }
+
   /**
    * Perform assertions on a response body and return an Error upon failure.
    *

test/supertest.js

@@ -216,6 +216,23 @@ describe('request(app)', function () {
       });
   });
 
+  describe('.bearer(token)', function () {
+    it('should work the bearer token', function () {
+      const app = express();
+      const test = request(app);
+
+      app.get('/', function (req, res) {
+        if (req.headers.authorization === 'Bearer test-token') {
+          res.status(200).send('Authorized');
+        } else {
+          res.status(403).send('Unauthorized');
+        }
+      });
+
+      test.get('/').bearer('test-token').expect(200).expect('Authoried');
+    });
+  });
+
   describe('.end(fn)', function () {
     it('should close server', function (done) {
       const app = express();