@After
  public void tearDown() throws Exception {
    ((org.apache.logging.log4j.core.Logger) org.apache.logging.log4j.LogManager
      .getLogger(RSRpcServices.class)).removeAppender(appender);
    util.shutdownMiniCluster();
  }
Tests logging of large batch commands via Multi. Tests are fast, but uses a mini-cluster (to test
via "Multi" commands) so classified as MediumTests
hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestMultiLogThreshold.java