HDFS-12495. TestPendingInvalidateBlock#testPendingDeleteUnknownBlocks fails intermittently. Contributed by Eric Badger.

(cherry picked from commit e9b790db9de7c3fbe451bcdc3fd928a27a0d8b4e)

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestPendingInvalidateBlock.java

@@ -172,7 +172,7 @@ public class TestPendingInvalidateBlock {
     Assert.assertEquals(0L, cluster.getNamesystem().getPendingDeletionBlocks());
     // restart DataNodes
     for (int i = 0; i < REPLICATION; i++) {
-      cluster.restartDataNode(dnprops[i], true);
+      cluster.restartDataNode(dnprops[i]);
     }
     cluster.waitActive();