Ignore chmod test on windows

As the underlying implementation of chmod is not tested on
windows, there is no reason to test this one as well.

ext/node/polyfills/internal/fs/handle.ts

@@ -5,7 +5,7 @@
 
 import { EventEmitter } from "node:events";
 import { Buffer } from "node:buffer";
-import { promises, read, write } from "node:fs";
+import { Mode, promises, read, write } from "node:fs";
 export type { BigIntStats, Stats } from "ext:deno_node/_fs/_fs_stat.ts";
 import {
   BinaryOptionsArgument,
@@ -148,7 +148,7 @@ export class FileHandle extends EventEmitter {
   stat(options?: { bigint: boolean }): Promise<Stats | BigIntStats> {
     return fsCall(promises.fstat, this, options);
   }
-  chmod(mode: number): Promise<void> {
+  chmod(mode: Mode): Promise<void> {
     assertNotClosed(this, promises.chmod.name);
     return promises.chmod(this.#path, mode);
   }

tests/unit_node/_fs/_fs_handle_test.ts

@@ -200,16 +200,20 @@ Deno.test(
   },
 );
 
-Deno.test("[node/fs filehandle.chmod] Change the permissions of the file", async function () {
-  const fileHandle = await fs.open(testData);
-
-  const readOnly = 0o444;
-  await fileHandle.chmod(readOnly.toString(8));
-  assertEquals(Deno.statSync(testData).mode! & 0o777, readOnly);
-
-  const readWrite = 0o666;
-  await fileHandle.chmod(readWrite.toString(8));
-  assertEquals(Deno.statSync(testData).mode! & 0o777, readWrite);
-
-  await fileHandle.close();
-});
+ Deno.test({
+   name: "[node/fs filehandle.chmod] Change the permissions of the file",
+   ignore: Deno.build.os === "windows",
+   async fn() {
+     const fileHandle = await fs.open(testData);
+
+     const readOnly = 0o444;
+     await fileHandle.chmod(readOnly.toString(8));
+     assertEquals(Deno.statSync(testData).mode! & 0o777, readOnly);
+
+     const readWrite = 0o666;
+     await fileHandle.chmod(readWrite.toString(8));
+     assertEquals(Deno.statSync(testData).mode! & 0o777, readWrite);
+
+     await fileHandle.close();
+   },
+ });