minor #1568 Update DefaultControllerTest.php (94noni)

This PR was merged into the main branch.

Discussion
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Update DefaultControllerTest.php

I thinks its worth mentioning it, a web test, kernel test etc

Commits
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d389df3 Update DefaultControllerTest.php

Author: javiereguiluz

tests/Controller/DefaultControllerTest.php

@@ -44,11 +44,13 @@ public function testPublicUrls(string $url): void
     }
 
     /**
-     * A good practice for tests is to not use the service container, to make
+     * A good practice for such tests is to not use the service container, to make
      * them more robust. However, in this example we must access to the container
      * to get the entity manager and make a database query. The reason is that
      * blog post fixtures are randomly generated and there's no guarantee that
      * a given blog post slug will be available.
+     * You can also make some integration test to test services logic.
+     * See https://symfony.com/doc/current/testing.html#integration-tests
      */
     public function testPublicBlogPost(): void
     {