fixup! test: use RegExp.escape to improve test reliability

Author: aduh95

test/parallel/test-util-inspect.js

@@ -2912,11 +2912,10 @@ assert.strictEqual(
       frame.replaceAll('/', '\\'))
     ).join('\n');
   }
-  const escapedCWD = util.inspect(process.cwd()).slice(1, -1);
   util.inspect(err, { colors: true }).split('\n').forEach(common.mustCallAtLeast((line, i) => {
     let expected = stack[i].replace(/node_modules\/(@[^/]+\/[^/]+|[^/]+)/gi, (_, m) => {
       return `node_modules/\u001b[4m${m}\u001b[24m`;
-    }).replaceAll(new RegExp(`(\\(?${RegExp.escape(escapedCWD)}(\\\\|/))`, 'gi'), (_, m) => {
+    }).replaceAll(new RegExp(`(\\(?${RegExp.escape(process.cwd())}(\\\\|/))`, 'gi'), (_, m) => {
       return `\x1B[90m${m}\x1B[39m`;
     });
     if (expected.includes(process.cwd()) && expected.endsWith(')')) {