fix code review

test/runtime/samples/attribute-boolean-indeterminate/_config.js

@@ -7,11 +7,11 @@ export default {
 		indeterminate: true
 	},
 
-	html: '<input type=\'checkbox\'>',
+	html: "<input type='checkbox'>",
 
 	// somehow ssr will render indeterminate=""
 	// the hydrated html will still contain that attribute
-	ssrHtml: '<input type=\'checkbox\' indeterminate="">',
+	ssrHtml: "<input type='checkbox' indeterminate=''>",
 
 	test({ assert, component, target }) {
 		const input = target.querySelector('input');