Fix test flake in MoqtSubscribeWindows.

Switching to node_hash_map makes ordering non-deterministic.

Not in production.

PiperOrigin-RevId: 607032646

quiche/quic/moqt/moqt_subscribe_windows_test.cc

diff --git a/quiche/quic/moqt/moqt_subscribe_windows_test.cc b/quiche/quic/moqt/moqt_subscribe_windows_test.cc
index 8387a7e..5cfbbf5 100644
--- a/quiche/quic/moqt/moqt_subscribe_windows_test.cc
+++ b/quiche/quic/moqt/moqt_subscribe_windows_test.cc
@@ -162,8 +162,7 @@
   EXPECT_EQ(hits[0]->subscribe_id(), 2);
   hits = windows_.SequenceIsSubscribed(FullSequence(3, 0));
   EXPECT_EQ(hits.size(), 2);
-  EXPECT_EQ(hits[0]->subscribe_id(), 1);
-  EXPECT_EQ(hits[1]->subscribe_id(), 0);
+  EXPECT_EQ(hits[0]->subscribe_id() + hits[1]->subscribe_id(), 1);
 }
 
 TEST_F(MoqtSubscribeWindowsTest, AddGetRemoveWindow) {