Revert "HDFS-16426. Fix nextBlockReportTime when trigger full block report force (#3887)"

This reverts commit 96dd426229968b715e5c117bf0b35474ee0f05ec.

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestBpServiceActorScheduler.java

@@ -136,23 +136,6 @@ public class TestBpServiceActorScheduler {
     }
   }
 
-  /**
-   * force trigger full block report multi times, the next block report
-   * must be scheduled in the range (now + BLOCK_REPORT_INTERVAL_SEC).
-   */
-  @Test
-  public void testScheduleNextBlockReport4() {
-    for (final long now : getTimestamps()) {
-      Scheduler scheduler = makeMockScheduler(now);
-      for (int i = 0; i < getTimestamps().size(); ++i) {
-        scheduler.forceFullBlockReportNow();
-        scheduler.scheduleNextBlockReport();
-      }
-      assertTrue(scheduler.getNextBlockReportTime() - now >= 0);
-      assertTrue(scheduler.getNextBlockReportTime() - now <= BLOCK_REPORT_INTERVAL_MS);
-    }
-  }
-
   @Test
   public void testScheduleHeartbeat() {
     for (final long now : getTimestamps()) {