test: add newline at end of file

Author: VaishnavIUpadyaya

test/parallel/test-runner-skip-empty-string.js

@@ -3,4 +3,4 @@
 const common = require('../common');
 const { test } = require('node:test');
 
-test('skip option empty string should not skip', { skip: '' }, common.mustCall());
+test('skip option empty string should not skip', { skip: '' }, common.mustCall());