private void verifyRecordNotPresentInQuotaTable() throws Exception {
    // Verify that the record doesn't exist in the QuotaTableUtil.QUOTA_TABLE_NAME
    try (Table quotaTable = TEST_UTIL.getConnection().getTable(QuotaTableUtil.QUOTA_TABLE_NAME);
      ResultScanner scanner = quotaTable.getScanner(new Scan())) {
      assertNull("Did not expect to find a quota entry", scanner.next());
    }
  }
minicluster tests that validate that quota entries are properly set in the quota table
hbase-server/src/test/java/org/apache/hadoop/hbase/quotas/TestQuotaAdmin.java