private void verifyUserAllowedForRead(final User user) throws Exception {
    verifyAllowed(new AccessTestAction() {
      @Override
      public Object run() throws Exception {
        try (Connection connection = ConnectionFactory.createConnection(conf);
          Table t = connection.getTable(testTable.getTableName())) {
          return t.get(new Get(TEST_ROW).addColumn(TEST_FAMILY, TEST_Q1));
        }
      }
    }, user);
  }
Insure we are not granting access in the absence of any cells found when scanning for covered
cells.
hbase-server/src/test/java/org/apache/hadoop/hbase/security/access/TestCellACLs.java