test: remove WHATWG URL test data file extension

Make url-tests a js file so we can comment out
incompatible tests

PR-URL: #11439
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Timothy Gu <timothygu99@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

Author: joyeecheung

test/fixtures/url-tests.json test/fixtures/url-tests.js

@@ -1,7 +1,13 @@
+'use strict';
+
+/* WPT Refs:
+   https://github.com/w3c/web-platform-tests/blob/master/url/urltestdata.json
+   License: http://www.w3.org/Consortium/Legal/2008/04-testsuite-copyright.html
+*/
+
+module.exports =
 [
   "# Based on http://trac.webkit.org/browser/trunk/LayoutTests/fast/url/script-tests/segments.js",
-  "License: http://www.w3.org/Consortium/Legal/2008/04-testsuite-copyright.html",
-  "Source: https://github.com/w3c/web-platform-tests/tree/master/url",
   {
     "input": "http://example\t.\norg",
     "base": "http://example.org/foo/bar",

test/known_issues/test-url-parse-conformance.js

@@ -7,7 +7,7 @@ const url = require('url');
 const assert = require('assert');
 const path = require('path');
 
-const tests = require(path.join(common.fixturesDir, 'url-tests.json'));
+const tests = require(path.join(common.fixturesDir, 'url-tests'));
 
 let failed = 0;
 let attempted = 0;

test/parallel/test-whatwg-url-constructor.js

@@ -11,7 +11,7 @@ if (!common.hasIntl) {
 }
 
 const request = {
-  response: require(path.join(common.fixturesDir, 'url-tests.json'))
+  response: require(path.join(common.fixturesDir, 'url-tests'))
 };
 
 /* eslint-disable */

test/parallel/test-whatwg-url-inspect.js

@@ -13,9 +13,9 @@ if (!common.hasIntl) {
 }
 
 // Tests below are not from WPT.
-const tests = require(path.join(common.fixturesDir, 'url-tests.json'));
+const tests = require(path.join(common.fixturesDir, 'url-tests'));
 const additional_tests = require(
-  path.join(common.fixturesDir, 'url-tests-additional.js'));
+  path.join(common.fixturesDir, 'url-tests-additional'));
 
 const allTests = additional_tests.slice();
 for (const test of tests) {

test/parallel/test-whatwg-url-origin.js

@@ -11,7 +11,7 @@ if (!common.hasIntl) {
 }
 
 const request = {
-  response: require(path.join(common.fixturesDir, 'url-tests.json'))
+  response: require(path.join(common.fixturesDir, 'url-tests'))
 };
 
 /* eslint-disable */

test/parallel/test-whatwg-url-parsing.js

@@ -12,7 +12,7 @@ if (!common.hasIntl) {
 }
 
 // Tests below are not from WPT.
-const tests = require(path.join(common.fixturesDir, 'url-tests.json'));
+const tests = require(path.join(common.fixturesDir, 'url-tests'));
 
 for (const test of tests) {
   if (typeof test === 'string')