reduce test runtime

fix check

fix test

server/src/test/java/io/druid/client/client/BatchServerInventoryViewTest.java

@@ -69,6 +69,7 @@ import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.Executor;
 import java.util.concurrent.Executors;
 import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicInteger;
 
 /**
  */
@@ -87,6 +88,7 @@ public class BatchServerInventoryViewTest
   private Set<DataSegment> testSegments;
   private BatchServerInventoryView batchServerInventoryView;
   private BatchServerInventoryView filteredBatchServerInventoryView;
+  private final AtomicInteger inventoryUpdateCounter = new AtomicInteger();
 
   @Rule
   public ExpectedException exception = ExpectedException.none();
@@ -163,7 +165,7 @@ public class BatchServerInventoryViewTest
     );
 
     batchServerInventoryView.start();
-
+    inventoryUpdateCounter.set(0);
     filteredBatchServerInventoryView = new BatchServerInventoryView(
         new ZkPathsConfig()
         {
@@ -183,8 +185,17 @@ public class BatchServerInventoryViewTest
             return dataSegment.getInterval().getStart().isBefore(SEGMENT_INTERVAL_START.plusDays(INITIAL_SEGMENTS));
           }
         }
-    );
-
+    ){
+      @Override
+      protected DruidServer addInnerInventory(
+          DruidServer container, String inventoryKey, Set<DataSegment> inventory
+      )
+      {
+        DruidServer server = super.addInnerInventory(container, inventoryKey, inventory);
+        inventoryUpdateCounter.incrementAndGet();
+        return server;
+      }
+    };
     filteredBatchServerInventoryView.start();
   }
 
@@ -244,14 +255,17 @@ public class BatchServerInventoryViewTest
     Set<DataSegment> segments = Sets.newHashSet(server.getSegments().values());
 
     Assert.assertEquals(testSegments, segments);
-
+    int prevUpdateCount = inventoryUpdateCounter.get();
     // segment outside the range of default filter
     DataSegment segment1 = makeSegment(101);
     segmentAnnouncer.announceSegment(segment1);
     testSegments.add(segment1);
 
-    exception.expect(ISE.class);
-    waitForSync(filteredBatchServerInventoryView, testSegments);
+    waitForUpdateEvents(prevUpdateCount + 1);
+    Assert.assertNull(
+        Iterables.getOnlyElement(filteredBatchServerInventoryView.getInventory())
+                 .getSegment(segment1.getIdentifier())
+    );
   }
 
   @Test
@@ -367,13 +381,26 @@ public class BatchServerInventoryViewTest
     Stopwatch stopwatch = Stopwatch.createStarted();
     while (Iterables.isEmpty(batchServerInventoryView.getInventory())
            || Iterables.get(batchServerInventoryView.getInventory(), 0).getSegments().size() != testSegments.size()) {
-      Thread.sleep(500);
+      Thread.sleep(100);
       if (stopwatch.elapsed(TimeUnit.MILLISECONDS) > forWaitingTiming.milliseconds()) {
         throw new ISE("BatchServerInventoryView is not updating");
       }
     }
   }
 
+  private void waitForUpdateEvents(int count)
+      throws Exception
+  {
+    final Timing forWaitingTiming = timing.forWaiting();
+    Stopwatch stopwatch = Stopwatch.createStarted();
+    while (inventoryUpdateCounter.get() != count) {
+      Thread.sleep(100);
+      if (stopwatch.elapsed(TimeUnit.MILLISECONDS) > forWaitingTiming.milliseconds()) {
+        throw new ISE("BatchServerInventoryView is not updating counter expected[%d] value[%d]", count, inventoryUpdateCounter.get());
+      }
+    }
+  }
+
   @Test
   public void testSameTimeZnode() throws Exception
   {