Merge pull request ceph#61847 from idryomov/wip-63798

test/rbd_mirror: flush watch/notify callbacks in TestImageReplayer

Reviewed-by: Vinay Bhaskar Varada <[email protected]>

Author: idryomov

src/test/rbd_mirror/test_ImageReplayer.cc

@@ -245,6 +245,7 @@ class TestImageReplayer : public TestFixture {
   void unwatch() {
     if (m_watch_handle != 0) {
       m_remote_ioctx.unwatch2(m_watch_handle);
+      m_remote_cluster.watch_flush();
       delete m_watch_ctx;
       m_watch_ctx = nullptr;
       m_watch_handle = 0;