Fix CI

Author: tvdijen

tests/src/Controller/AuthX509Test.php

@@ -79,8 +79,7 @@ public function testNoState(): void
 
         $c = new Controller\ExpiryWarning($this->config, $this->session);
         $c->setAuthState(new class () extends Auth\State {
-            /** @return array<mixed>|null */
-            public static function loadState(string $id, string $stage, bool $allowMissing = false): ?array
+            public static function loadState(string $id, string $stage, bool $allowMissing = false): null
             {
                 return null;
             }
@@ -133,6 +132,7 @@ public function testNotProceed(): void
 
         $c = new Controller\ExpiryWarning($this->config, $this->session);
         $c->setAuthState(new class () extends Auth\State {
+            /** @return array<mixed */
             public static function loadState(string $id, string $stage, bool $allowMissing = false): array
             {
                 return ['daysleft' => 10, 'renewurl' => 'https://example.org/renew'];