Refactor test to use custom error handler

Replaced the generic warning expectation with a custom error handler in `QueryRepositoryTest`. This change ensures more precise error catching and validation of the user data response.

tests/QueryRepositoryTest.php

@@ -26,8 +26,11 @@
 use function assert;
 use function is_array;
 use function serialize;
+use function set_error_handler;
 use function unserialize;
 
+use const E_USER_WARNING;
+
 class QueryRepositoryTest extends TestCase
 {
     private ResourceInterface $resource;
@@ -151,10 +154,15 @@ protected function configure(): void
         });
         $resource = (new Injector($module, $_ENV['TMP_DIR']))->getInstance(ResourceInterface::class);
         assert($resource instanceof ResourceInterface);
-        $this->expectWarning();
-        $resource->get('app://self/user', ['id' => 1]);
-        $this->assertSame(2, $GLOBALS['BEAR\QueryRepository\syslog'][0]);
-        $this->assertContains('Exception: DoctrineNamespaceCacheKey[]', $GLOBALS['BEAR\QueryRepository\syslog'][1]);
+        $errorCaught = false;
+        set_error_handler(static function ($errno, $errstr) use (&$errorCaught): void {
+            if ($errno === E_USER_WARNING) {
+                $errorCaught = true;
+            }
+        });
+        $user = $resource->get('app://self/user', ['id' => 1]);
+        $this->assertSame('bear', $user->body['name']);
+        $this->assertTrue($errorCaught);
     }
 
     public function testSameResponseButDifferentParameter(): void