Review

Author: VincentLanglet

src/Environment.php

@@ -828,7 +828,7 @@ public function getTest(string $name): ?TwigTest
     }
 
     /**
-     * @param callable(string): (TokenParserInterface|false) $callable
+     * @param callable(string): (TwigTest|false) $callable
      */
     public function registerUndefinedTestCallback(callable $callable): void
     {

src/Test/IntegrationTestCase.php

@@ -263,6 +263,10 @@ protected function doIntegrationTest($file, $message, $condition, $templates, $e
                 $twig->registerUndefinedFunctionCallback($callback);
             }
 
+            foreach ($this->getUndefinedTestCallbacks() as $callback) {
+                $twig->registerUndefinedTestCallback($callback);
+            }
+
             foreach ($this->getUndefinedTokenParserCallbacks() as $callback) {
                 $twig->registerUndefinedTokenParserCallback($callback);
             }