test: skip test_network_disconnect_during_migration (#4359)

Author: BorysTheDev

src/server/cluster/incoming_slot_migration.cc

@@ -185,7 +185,8 @@ bool IncomingSlotMigration::Join(long attempt) {
   while (true) {
     const absl::Time now = absl::Now();
     const absl::Duration passed = now - start;
-    VLOG(1) << "Checking whether to continue with join " << passed << " vs " << timeout;
+    VLOG_EVERY_N(1, 10000) << "Checking whether to continue with join " << passed << " vs "
+                           << timeout;
     if (passed >= timeout) {
       LOG(WARNING) << "Can't join migration in time for " << source_id_;
       ReportError(GenericError("Can't join migration in time"));

tests/dragonfly/cluster_test.py

@@ -1433,6 +1433,7 @@ async def test_migration_with_key_ttl(df_factory):
     assert await nodes[1].client.execute_command("stick k_sticky") == 0
 
 
+@pytest.mark.skip("Flaky test")
 @dfly_args({"proactor_threads": 4, "cluster_mode": "yes"})
 async def test_network_disconnect_during_migration(df_factory):
     instances = [