Fix test fixtures with deprecated method signatures.

src/Symfony/Component/HttpKernel/Tests/EventListener/ExceptionListenerTest.php

@@ -159,7 +159,7 @@ class ExceptionListenerTest extends TestCase
 
 class TestLogger extends Logger implements DebugLoggerInterface
 {
-    public function countErrors()
+    public function countErrors(Request $request = null)
     {
         return \count($this->logs['critical']);
     }

src/Symfony/Component/Security/Core/Tests/Authentication/AuthenticationTrustResolverTest.php

@@ -172,6 +172,10 @@ class FakeCustomToken implements TokenInterface
     {
     }
 
+    public function getRoleNames(): array
+    {
+    }
+
     public function getCredentials()
     {
     }