kirklund commented on a change in pull request #6036:
URL: https://github.com/apache/geode/pull/6036#discussion_r694209000



##########
File path: 
geode-wan/src/distributedTest/java/org/apache/geode/internal/cache/wan/parallel/ParallelWANPersistenceEnabledGatewaySenderDUnitTest.java
##########
@@ -158,10 +158,18 @@ public void 
testPartitionedRegionWithPersistentGatewaySender() {
 
     LogWriterUtils.getLogWriter().info("Started the senders");
 
-    vm2.invoke(
-        () -> WANTestBase.createPartitionedRegion(getTestMethodName(), null, 
1, 100, isOffHeap()));
-    vm3.invoke(
-        () -> WANTestBase.createPartitionedRegion(getTestMethodName(), null, 
1, 100, isOffHeap()));
+    AsyncInvocation inv1 = vm2.invokeAsync(() -> WANTestBase
+        .createPersistentPartitionedRegion(getTestMethodName(), null, 1, 100, 
isOffHeap()));
+    AsyncInvocation inv2 = vm3.invokeAsync(() -> WANTestBase
+        .createPersistentPartitionedRegion(getTestMethodName(), null, 1, 100, 
isOffHeap()));
+    try {
+      inv1.join();
+      inv2.join();
+
+    } catch (InterruptedException e) {
+      e.printStackTrace();
+      fail();
+    }

Review comment:
       If you're going to use `AsyncInvocation` please add a type such as 
`Void`, use `await()`, give a useful name to the variable, remove the 
try-catch, and add any exceptions such as `InterruptedException` to the 
`throws` clause of the test:
   ```
   public void testPartitionedRegionWithPersistentGatewaySender() throws 
InterruptedException {
     ...
     AsyncInvocation<Void> createPersistentPartitionedRegionAsync = 
vm2.invokeAsync(() -> WANTestBase
           .createPersistentPartitionedRegion(getTestMethodName(), null, 1, 
100, isOffHeap()));
     ...
     createPersistentPartitionedRegionAsync.await();
   }
   ```
   As @albertogpz pointed out, there's really not enough value to doing to this 
for creation of a region.
   
   I usually only do the above when it's really valuable to the test itself 
such as two member performing region operations. When I do that I name the 
`AsyncInvocation` something like this:
   ```
   AsyncInvocation<Void> performPuts = ...
   ```




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