Index: frontend/node_modules/html-escaper/test/index.js
===================================================================
--- frontend/node_modules/html-escaper/test/index.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/html-escaper/test/index.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,23 @@
+delete Object.freeze;
+
+var html = require('../cjs');
+
+console.assert(
+  html.escape('&<>\'"') === '&amp;&lt;&gt;&#39;&quot;',
+  'correct escape'
+);
+
+console.assert(
+  html.escape('<>\'"&') === '&lt;&gt;&#39;&quot;&amp;',
+  'correct inverted escape'
+);
+
+console.assert(
+  '&<>\'"' === html.unescape('&amp;&lt;&gt;&#39;&quot;'),
+  'correct unescape'
+);
+
+console.assert(
+  '<>\'"&' === html.unescape('&lt;&gt;&#39;&quot;&amp;'),
+  'correct inverted unescape'
+);
Index: frontend/node_modules/html-escaper/test/package.json
===================================================================
--- frontend/node_modules/html-escaper/test/package.json	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/html-escaper/test/package.json	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,1 @@
+{"type":"commonjs"}