test: fix test for error handling

There was 1 error:

 1) CodeIgniter\Security\SecurityCSRFSessionRandomizeTokenTest::testCSRFVerifyPostInvalidToken
PHPUnit\Framework\Exception: PHP Warning:  hex2bin(): Hexadecimal input string must have an even length in /home/runner/work/CodeIgniter4/CodeIgniter4/system/Security/Security.php on line 378
PHP Warning:  hex2bin(): Hexadecimal input string must have an even length in /home/runner/work/CodeIgniter4/CodeIgniter4/system/Security/Security.php on line 378

Author: kenjis

tests/system/Security/SecurityCSRFSessionRandomizeTokenTest.php

@@ -32,6 +32,7 @@
 use Config\Logger as LoggerConfig;
 use Config\Security as SecurityConfig;
 use Config\Session as SessionConfig;
+use PHPUnit\Framework\Attributes\WithoutErrorHandler;
 
 /**
  * @runTestsInSeparateProcesses
@@ -170,8 +171,11 @@ public function testCSRFVerifyPostThrowsExceptionOnNoMatch(): void
         $security->verify($request);
     }
 
+    #[WithoutErrorHandler]
     public function testCSRFVerifyPostInvalidToken(): void
     {
+        Services::exceptions()->initialize();
+
         $this->expectException(SecurityException::class);
         $this->expectExceptionMessage('The action you requested is not allowed.');