test: do not write fixture in test-require-symlink

test-require-symlink modifies the fixture directory by adding a symlink.
Copy the fixture to the test tmpdir instead of modifying the fixture
directory.

This also uses a more empirical test for checking for the ability to
make symlinks on Windows.

PR-URL: https://github.com/nodejs/node/pull/15067
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

1 files changed, 4 insertions, 3 deletions

diff --git a/test/fixtures/module-require-symlink/symlinked.js b/test/fixtures/module-require-symlink/symlinked.js
index ced901b246..8ec2f7b0aa 100644
--- a/test/fixtures/module-require-symlink/symlinked.js
+++ b/test/fixtures/module-require-symlink/symlinked.js
@@ -1,11 +1,12 @@
 'use strict';
 const assert = require('assert');
+const path = require('path');
+
 const foo = require('./foo');
-const fixtures = require('../../common/fixtures');
 
-const linkScriptTarget = fixtures.path('module-require-symlink', 'symlinked.js');
+const linkScriptEnding = path.join('module-require-symlink', 'symlinked.js');
 
 assert.strictEqual(foo.dep1.bar.version, 'CORRECT_VERSION');
 assert.strictEqual(foo.dep2.bar.version, 'CORRECT_VERSION');
-assert.strictEqual(__filename, linkScriptTarget);
+assert(__filename.endsWith(linkScriptEnding));
 assert(__filename in require.cache);