get('/responsable'); $this->assertEquals(201, $response->status()); $this->assertSame('Taylor', $response->headers->get('X-Test-Header')); $this->assertSame('hello world', $response->getContent()); } } class TestResponsableResponse implements Responsable { public function toResponse($request) { return response('hello world', 201, ['X-Test-Header' => 'Taylor']); } }