test: validate fs.rename() when NODE_TEST_DIR on separate mount

When testing fs.rename() of an non-existent file, use a destination path
which is in the same directory. Otherwise we might trigger an `EXDEV`
error if NODE_TEST_DIR is a separate device than the current working
directory.

Fixes: nodejs#21669

PR-URL: nodejs#24707
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

test/parallel/test-fs-error-messages.js

@@ -299,10 +299,11 @@ function re(literals, ...values) {
     return true;
   };
 
-  fs.rename(nonexistentFile, 'foo', common.mustCall(validateError));
+  const destFile = path.join(tmpdir.path, 'foo');
+  fs.rename(nonexistentFile, destFile, common.mustCall(validateError));
 
   assert.throws(
-    () => fs.renameSync(nonexistentFile, 'foo'),
+    () => fs.renameSync(nonexistentFile, destFile),
     validateError
   );
 }