test: skip test-buffer-tostring-rangeerror when low on memory

This has shown up as RangeError: Array buffer allocation failed and
it should be totally fine to skip this test in case the memory is low.

PR-URL: https://github.com/nodejs/node/pull/58142
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: LiviaMedeiros <livia@cirno.name>
Reviewed-By: Stefan Stojanovic <stefan.stojanovic@janeasystems.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

test/parallel/test-buffer-tostring-rangeerror.js

@@ -1,10 +1,15 @@
 'use strict';
-require('../common');
+
+const common = require('../common');
 
 // This test ensures that Node.js throws an Error when trying to convert a
 // large buffer into a string.
 // Regression test for https://github.com/nodejs/node/issues/649.
 
+if (!common.enoughTestMem) {
+  common.skip('skipped due to memory requirements');
+}
+
 const assert = require('assert');
 const {
   Buffer,