chore(ext/node): remove unnecessary test case (denoland#21337)

This test case is covered by the last case in
https://github.com/denoland/deno/blob/5710fffb120eba88e1b261e3ef379cb02575de42/cli/tests/node_compat/test/parallel/test-stream2-transform.js
and not necessary anymore.

cli/tests/unit_node/stream_test.ts

@@ -1,9 +1,8 @@
 // Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
 
-import { assert, fail } from "../../../test_util/std/testing/asserts.ts";
+import { assert } from "../../../test_util/std/testing/asserts.ts";
 import { fromFileUrl, relative } from "../../../test_util/std/path/mod.ts";
 import { pipeline } from "node:stream/promises";
-import { Writable } from "node:stream";
 import { createReadStream, createWriteStream } from "node:fs";
 
 Deno.test("stream/promises pipeline", async () => {
@@ -24,37 +23,3 @@ Deno.test("stream/promises pipeline", async () => {
     // pass
   }
 });
-
-// TODO(kt3k): Remove this test case when the node compat test suite is
-// updated to version 18.16.0 or above.
-// The last case in parallel/test-stream2-transform.js covers this case.
-// See https://github.com/nodejs/node/pull/46818
-Deno.test("stream.Writable does not change the order of items", async () => {
-  async function test() {
-    const chunks: Uint8Array[] = [];
-    const writable = new Writable({
-      construct(cb) {
-        setTimeout(cb, 10);
-      },
-      write(chunk, _, cb) {
-        chunks.push(chunk);
-        cb();
-      },
-    });
-
-    for (const i of Array(20).keys()) {
-      writable.write(Uint8Array.from([i]));
-      await new Promise((resolve) => setTimeout(resolve, 1));
-    }
-
-    if (chunks[0][0] !== 0) {
-      // The first chunk is swapped with the later chunk.
-      fail("The first chunk is swapped");
-    }
-  }
-
-  for (const _ of Array(10)) {
-    // Run it multiple times to avoid flaky false negative.
-    await test();
-  }
-});