--- ../test/Rfc1035StubResolverTest.php	2026-07-26 01:42:47.972031139 +0300
+++ ../test/Rfc1035StubResolverTest.php	2026-07-26 01:44:18.204012456 +0300
@@ -2,6 +2,7 @@
 
 namespace Amp\Dns\Test;
 
+use Amp\Cache\Cache;
 use Amp\Cancellation;
 use Amp\Dns\DnsConfig;
 use Amp\Dns\DnsException;
@@ -21,7 +22,9 @@
     {
         parent::setUp();
 
-        $this->cacheTrainer = new DnsCacheTrainer($this);
+        $this->cacheTrainer = new DnsCacheTrainer(
+            $this->createMock(Cache::class),
+        );
     }
 
     public function testResolveSecondParameterAcceptedValues(): void