test: fix argument order in assertion

Change the order of assert parameters so the first argument is the value
and the second one the expected value.

PR-URL: https://github.com/nodejs/node/pull/23581
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>

test/known_issues/test-http-path-contains-unicode.js

@@ -10,7 +10,7 @@ const http = require('http');
 
 const expected = '/café🐶';
 
-assert.strictEqual('/caf\u{e9}\u{1f436}', expected);
+assert.strictEqual(expected, '/caf\u{e9}\u{1f436}');
 
 const server = http.createServer(common.mustCall(function(req, res) {
   assert.strictEqual(req.url, expected);