@After
  public void tearDownTestCoprocessorWhitelistMasterObserver() throws Exception {
    Admin admin = UTIL.getAdmin();
    try {
      try {
        admin.disableTable(TEST_TABLE);
      } catch (TableNotEnabledException ex) {
        // Table was left disabled by test
        LOG.info("Table was left disabled by test");
      }
      admin.deleteTable(TEST_TABLE);
    } catch (TableNotFoundException ex) {
      // Table was not created for some reason?
      LOG.info("Table was not created for some reason");
    }
    UTIL.shutdownMiniCluster();
  }
Performs coprocessor loads for various paths and malformed strings
hbase-server/src/test/java/org/apache/hadoop/hbase/security/access/TestCoprocessorWhitelistMasterObserver.java