Fix tests

Author: fabpot

CacheExtension.php

@@ -16,7 +16,7 @@
 
 final class CacheExtension extends AbstractExtension
 {
-    public function getTokenParsers()
+    public function getTokenParsers(): array
     {
         return [
             new CacheTokenParser(),

Tests/FunctionalTest.php

@@ -78,11 +78,9 @@ public function __construct(CacheInterface $cache)
                 $this->cache = $cache;
             }
 
-            public function load($class)
+            public function load(string $class): ?object
             {
-                if (CacheRuntime::class === $class) {
-                    return new CacheRuntime($this->cache);
-                }
+                return CacheRuntime::class === $class ? new CacheRuntime($this->cache) : null;
             }
         });
 

Tests/IntegrationTest.php

@@ -30,11 +30,9 @@ protected function getRuntimeLoaders()
     {
         return [
             new class() implements RuntimeLoaderInterface {
-                public function load($class)
+                public function load(string $class): ?object
                 {
-                    if (CacheRuntime::class === $class) {
-                        return new CacheRuntime(new ArrayAdapter());
-                    }
+                    return CacheRuntime::class === $class ? new CacheRuntime(new ArrayAdapter()) : null;
                 }
             },
         ];