Update tests

Author: vearutop

tests/src/PHPUnit/FunctionTest.php

@@ -36,7 +36,7 @@ public function testArguments()
 );
         $expected = <<<'PHP'
 /**
- * @param $arg1
+ * @param mixed $arg1
  * @param int $arg2
  */
 function test($arg1, $arg2)

tests/src/Tmp/OpenAPI3/APIKeySecurityScheme.php

@@ -120,6 +120,7 @@ public function setDescription($description)
     /** @codeCoverageIgnoreEnd */
 
     /**
+     * @return array
      * @codeCoverageIgnoreStart
      */
     public function getXValues()