HDFS-15308. TestReconstructStripedFile#testNNSendsErasureCodingTasks fails intermittently. Contributed by Hemanth Boyina.

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestReconstructStripedFile.java

@@ -468,7 +468,7 @@ public class TestReconstructStripedFile {
 
     final int numDataNodes = dnNum  + 1;
     conf.setInt(
-        DFSConfigKeys.DFS_NAMENODE_RECONSTRUCTION_PENDING_TIMEOUT_SEC_KEY, 10);
+        DFSConfigKeys.DFS_NAMENODE_RECONSTRUCTION_PENDING_TIMEOUT_SEC_KEY, 1);
     conf.setInt(DFSConfigKeys.DFS_NAMENODE_REPLICATION_MAX_STREAMS_KEY, 20);
     conf.setInt(DFSConfigKeys.DFS_DN_EC_RECONSTRUCTION_THREADS_KEY,
         2);
@@ -504,8 +504,9 @@ public class TestReconstructStripedFile {
     // Make sure that all pending reconstruction tasks can be processed.
     while (ns.getPendingReconstructionBlocks() > 0) {
       long timeoutPending = ns.getNumTimedOutPendingReconstructions();
-      assertTrue(String.format("Found %d timeout pending reconstruction tasks",
-          timeoutPending), timeoutPending == 0);
+      assertEquals(String
+          .format("Found %d timeout pending reconstruction tasks",
+              timeoutPending), 0, timeoutPending);
       Thread.sleep(1000);
     }