dcsctp: enabled handover in test SendManyFragmentedMessagesWithLimitedRtx

Bug: webrtc:13154
Change-Id: I192d5093de9b7596208d44f4868b413602db473a
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/232543
Reviewed-by: Victor Boivie <boivie@webrtc.org>
Commit-Queue: Sergey Sukhanov <sergeysu@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#35052}
diff --git a/net/dcsctp/socket/dcsctp_socket_test.cc b/net/dcsctp/socket/dcsctp_socket_test.cc
index 9f5190b..71eefd4 100644
--- a/net/dcsctp/socket/dcsctp_socket_test.cc
+++ b/net/dcsctp/socket/dcsctp_socket_test.cc
@@ -1294,6 +1294,8 @@
   EXPECT_EQ(msg1->ppid(), PPID(54));
 
   ASSERT_FALSE(cb_z_.ConsumeReceivedMessage().has_value());
+
+  MaybeHandoverSocketZAndSendMessage();
 }
 
 struct FakeChunkConfig : ChunkConfig {