vldpyatkov commented on code in PR #2183:
URL: https://github.com/apache/ignite-3/pull/2183#discussion_r1228652145


##########
modules/distribution-zones/src/testFixtures/java/org/apache/ignite/internal/distributionzones/DistributionZonesTestUtil.java:
##########
@@ -313,17 +313,17 @@ public static void 
deployWatchesAndUpdateMetaStorageRevision(MetaStorageManager
             throws NodeStoppingException, InterruptedException {
         // Watches are deployed before distributionZoneManager start in order 
to update Meta Storage revision before
         // distributionZoneManager's recovery.
-        metaStorageManager.deployWatches();
+        var deployWatchesFut = metaStorageManager.deployWatches();
 
         // Bump Meta Storage applied revision by modifying a fake key. 
DistributionZoneManager breaks on start if Vault is not empty, but
         // Meta Storage revision is equal to 0.
         var fakeKey = new ByteArray("foobar");
 
-        CompletableFuture<Boolean> invokeFuture = metaStorageManager.invoke(
+        CompletableFuture<Boolean> invokeFuture = 
deployWatchesFut.thenCompose(unused -> metaStorageManager.invoke(

Review Comment:
   I think, if before, we have no guarantees that MC start earlier than watches 
subscribe, it means thus tests are buggy.
   Ok, add synchronous waiting in every invocation.



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