@Override
 public void tearDown() throws Exception {
   super.tearDown();
 }
  /**
   * Add a sever configuration to the set of configurations we want these tests to run on.
   *
   * @param config A Server Configuration to run this set of tests on.
   */
  public boolean addServerConfig(VoltServerConfig config) {

    final String enabled_configs = System.getenv().get("VOLT_REGRESSIONS");
    System.out.println("VOLT REGRESSIONS ENABLED: " + enabled_configs);

    if (!(enabled_configs == null || enabled_configs.contentEquals("all"))) {
      if (config instanceof LocalCluster) {
        if (config.isHSQL() && !enabled_configs.contains("hsql")) {
          return true;
        }
        if ((config.getNodeCount() == 1) && !enabled_configs.contains("local")) {
          return true;
        }
        if ((config.getNodeCount() > 1) && !enabled_configs.contains("cluster")) {
          return true;
        }
      }
    }

    final String buildType = System.getenv().get("BUILD");
    if (buildType != null) {
      if (buildType.startsWith("memcheck")) {
        if (config instanceof LocalCluster) {
          LocalCluster lc = (LocalCluster) config;
          // don't run valgrind on multi-node clusters without embedded processes
          if ((lc.getNodeCount() > 1) || (lc.m_hasLocalServer == false)) {
            return true;
          }
        }
        if (config.isHSQL()) {
          return true;
        }
      }
    }

    // get the constructor of the test class
    Constructor<?> cons = null;
    try {
      cons = m_testClass.getConstructor(String.class);
    } catch (Exception e) {
      e.printStackTrace();
      return false;
    }

    // get the set of test methods
    List<String> methods = getTestMethodNames(m_testClass);

    // add a test case instance for each method for the specified
    // server config
    for (String mname : methods) {
      RegressionSuite rs = null;
      try {
        rs = (RegressionSuite) cons.newInstance(mname);
      } catch (Exception e) {
        e.printStackTrace();
        return false;
      }
      rs.setConfig(config);
      super.addTest(rs);
    }

    return true;
  }