Router::POST], ['extension' => 'json']); $response = $updateProfile->run(['name' => 'new_name', 'description' => 'new_description']); $body = (string)$response->getBody(); self::assertJson($body); $json = json_decode($body); self::assertEquals('new_name', $json->name); self::assertEquals('new_description', $json->description); } }