testStoreTopic 的断言响应状态码是不是应该设成 200

testStoreTopic 方法的断言响应状态码是不是应该设成 200 ？不然和接口那边返回的状态码不一致，会报错

PHPUnit 7.5.9 by Sebastian Bergmann and contributors.

..F                                                                 3 / 3 (100%)

Time: 369 ms, Memory: 30.00 MB

There was 1 failure:

1) Tests\Feature\TopicApiTest::testStoreTopic
Expected status code 201 but received 200.
Failed asserting that false is true.

/var/www/larabbs/vendor/laravel/framework/src/Illuminate/Foundation/Testing/TestResponse.php:133
/var/www/larabbs/tests/Feature/TopicApiTest.php:41

FAILURES!
Tests: 3, Assertions: 3, Failures: 1.