@BeforeClass
  public static void setUpBeforeClass() {
    conf = TEST_UTIL.getConfiguration();
    conf.setInt("hbase.procedure.cleaner.evict.ttl", evictionDelay);
    conf.setInt("hbase.procedure.cleaner.evict.batch.size", 1);
  }
Check if CompletedProcedureCleaner cleans up failed nonce procedures.
hbase-server/src/test/java/org/apache/hadoop/hbase/procedure/TestFailedProcCleanup.java