static MysqlRepairRequestsDb resetRepairRequestsDb(MysqlRepairRequestsDb repairRequestsDb) throws Exception {
    try {
      // cleanup the database
      DataSource dataSource = repairRequestsDb.getDataSource();

      Connection connection = dataSource.getConnection();
      Statement statement = connection.createStatement();
      statement.executeUpdate("DELETE FROM ambry_repair_requests;");

      return repairRequestsDb;
    } catch (SQLException e) {
      throw e;
    }
  }
Test the background RepairRequestsSender and the repair requests handlers.
ambry-test-utils/src/main/java/com/github/ambry/server/ServerTestUtil.java