Update endpoint testing recipe to use correct options for got

Co-authored-by: Sindre Sorhus <[email protected]>

Author: paulrobertlloyd

docs/recipes/endpoint-testing.md

@@ -17,21 +17,20 @@ const app = require('../app');
 
 test.before(async t => {
 	t.context.server = http.createServer(app);
-	t.context.baseUrl = await listen(t.context.server);
+	t.context.prefixUrl = await listen(t.context.server);
 });
 
 test.after.always(t => {
 	t.context.server.close();
 });
 
 test.serial('get /user', async t => {
-	const res = await got('/user', { baseUrl: t.context.baseUrl, json: true });
-	t.is(res.body.email, '[email protected]');
+	const {email} = await got('user', {prefixUrl: t.context.prefixUrl}).json();
+	t.is(email, '[email protected]');
 });
 ```
 
 Other libraries you may find useful: 
 
 - [`supertest`](https://github.com/visionmedia/supertest)
 - [`get-port`](https://github.com/sindresorhus/get-port)
-