Try providing a valid resource

Do not judge me I'm just trying things…

Author: greg0ire

tests/Doctrine/Tests/DBAL/Driver/OCI8/OCI8StatementTest.php

@@ -8,6 +8,8 @@
 use Doctrine\Tests\DbalTestCase;
 use ReflectionProperty;
 
+use function fopen;
+
 /**
  * @requires extension oci8
  */
@@ -59,6 +61,10 @@ public function testExecute(array $params): void
         $reflProperty->setAccessible(true);
         $reflProperty->setValue($statement, $conn);
 
+        $reflProperty = new ReflectionProperty($statement, '_sth');
+        $reflProperty->setAccessible(true);
+        $reflProperty->setValue($statement, fopen('/dev/null', 'r'));
+
         $this->expectException(OCI8Exception::class);
         $statement->execute($params);
     }