test: update quic tests for stream/iter update

PR-URL: #64464
Reviewed-By: Tim Perry <pimterry@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Ethan Arrowood <ethan@arrowood.dev>

Author: jasnell

test/parallel/test-quic-stream-uni-basic.mjs

@@ -34,9 +34,9 @@ const serverEndpoint = await listen(mustCall((serverSession) => {
     strictEqual(decoder.decode(received), message);
 
     // The server side of a remote unidirectional stream is not writable.
-    // The writer should be pre-closed (desiredSize returns null).
+    // The writer should be pre-closed (canWrite returns null).
     const w = stream.writer;
-    strictEqual(w.desiredSize, null);
+    strictEqual(w.canWrite, null);
     strictEqual(w.endSync(), 0);
 
     await stream.closed;

test/parallel/test-quic-writer-stop-sending.mjs

@@ -2,7 +2,7 @@
 
 // Test: peer STOP_SENDING transitions writer to errored state.
 // After the server calls stopSending(), the client's writer should
-// become errored — desiredSize is null, writeSync returns false.
+// become errored — canWrite is null, writeSync returns false.
 
 import { hasQuic, skip, mustCall } from '../common/index.mjs';
 import * as assert from 'node:assert';