Fixing Unit Test

Author: eduard13

app/code/Magento/WishlistGraphQl/Test/Unit/CustomerWishlistResolverTest.php

@@ -82,8 +82,6 @@ protected function setUp(): void
 
         $this->wishlistConfigMock = $this->createMock(Config::class);
 
-        $this->wishlistConfigMock = $this->getMockClass();
-
         $objectManager = new ObjectManager($this);
         $this->resolver = $objectManager->getObject(CustomerWishlistResolver::class, [
             'wishlistFactory' => $this->wishlistFactoryMock,