Test error client 404

[MaiUbeid]

bookdb/tests/routstest.js

Lines 6 to 19 in de4a20b

	tape('testing the home route', (t) => {
	supertest(app)
	.get('/')
	.expect(200)
	.expect('Content-Type', /html/)
	.end((err, res) => {
	if (err) {
	t.error(err);
	} else {
	t.ok(res.text.includes('<button', 'the html file has buttons'));
	t.end();
	}
	});
	});