fix FormRequest contructor

Author: michalsn

system/HTTP/FormRequest.php

@@ -39,7 +39,7 @@ abstract class FormRequest
      * explicitly. When instantiated manually (e.g. in tests), the constructor
      * falls back to service('request').
      */
-    final public function __construct(?IncomingRequest $request = null)
+    final public function __construct(?Request $request = null)
     {
         $request ??= service('request');
 

tests/system/HTTP/FormRequestTest.php

@@ -135,7 +135,7 @@ public function testConstructorThrowsWhenFallbackRequestIsNotIncomingRequest():
         Services::injectMock('request', new CLIRequest(new App()));
 
         $this->expectException(RuntimeException::class);
-        $this->expectExceptionMessage('requires an IncomingRequest instance');
+        $this->expectExceptionMessage('requires an IncomingRequest instance, got CodeIgniter\HTTP\CLIRequest.');
 
         new class () extends FormRequest {
             public function rules(): array