test: move declaration

Signed-off-by: Athan <[email protected]>

Author: kgryte

lib/node_modules/@stdlib/_tools/eslint/rules/no-unnecessary-nested-functions/test/fixtures/unvalidated.js

@@ -19,10 +19,9 @@
 'use strict';
 
 var unvalidated = [];
-var test;
 
 // Function declaration inside IIFE (intentionally isolated):
-test = {
+var test = {
 	'code': [
 		'(function() {',
 		'  function inner() {',