test: remove $request->uri

[kenjis]

Description
See #5344

IncomingRequest::$uri will be protected.

• fix incorrect assertions c42b1bf
• refactor

Confirm the output of uri_string()

diff --git a/app/Config/Routes.php b/app/Config/Routes.php
index 0bfdce972..8650842af 100644
--- a/app/Config/Routes.php
+++ b/app/Config/Routes.php
@@ -35,7 +35,7 @@ $routes->set404Override();
 
 // We get a performance increase by specifying the default
 // route since we don't have to scan directories.
-$routes->get('/', 'Home::index');
+$routes->get('assets/(:any)', 'Home::index');
 
 /*
  * --------------------------------------------------------------------
diff --git a/app/Controllers/Home.php b/app/Controllers/Home.php
index 7f867e95f..b8cd3af74 100644
--- a/app/Controllers/Home.php
+++ b/app/Controllers/Home.php
@@ -6,6 +6,6 @@ class Home extends BaseController
 {
     public function index()
     {
-        return view('welcome_message');
+        dd(uri_string());
     }
 }

Navigate to http://localhost:8080/assets/image.jpg
You will see:

uri_string() string (16) "assets/image.jpg"

Checklist:

• Securely signed commits
• Component(s) with PHPDoc blocks, only if necessary or adds value
• Unit testing, with >80% coverage
• User guide updated
• Conforms to style guide