test: add known_issues test for #13683

test/known_issues/known_issues.status

@@ -15,16 +15,32 @@ test-vm-timeout-escape-queuemicrotask: SKIP
 [$system==win32]
 
 [$system==linux]
+# Windows-specific test
+test-path-posix-relative-on-windows: SKIP
 
 [$system==macos]
+# Windows-specific test
+test-path-posix-relative-on-windows: SKIP
 
 [$system==solaris]
+# Windows-specific test
+test-path-posix-relative-on-windows: SKIP
 
 [$system==freebsd]
+# Windows-specific test
+test-path-posix-relative-on-windows: SKIP
 
 [$system==aix]
+# Windows-specific test
+test-path-posix-relative-on-windows: SKIP
 
 [$arch==arm]
 # The Raspberry Pis are too slow to run this test.
 # See https://github.com/nodejs/build/issues/2227#issuecomment-608334574
 test-crypto-authenticated-stream: SKIP
+# Windows-specific test
+test-path-posix-relative-on-windows: SKIP
+
+[$system==ibmi]
+# Windows-specific test
+test-path-posix-relative-on-windows: SKIP

test/known_issues/test-path-posix-relative-on-windows.js

@@ -0,0 +1,10 @@
+'use strict';
+
+require('../common');
+const assert = require('assert');
+const path = require('path');
+
+// Refs: https://github.com/nodejs/node/issues/13683
+
+const relativePath = path.posix.relative('a/b/c', '../../x');
+assert.match(relativePath, /^(\.\.\/){3,5}x$/);