public static void destroyTable() throws Exception {
    try {
      String tableName = tblName;
      Context ctx = cache.getJNDIContext();
      DataSource ds = (DataSource) ctx.lookup("java:/SimpleDataSource");
      Connection conn = ds.getConnection();
      logger.debug(" trying to drop table: " + tableName);
      String sql = "drop table " + tableName;
      Statement sm = conn.createStatement();
      sm.execute(sql);
      conn.close();
    } catch (NamingException ne) {
      logger.debug("destroy table naming exception: " + ne);
      throw ne;
    } catch (SQLException se) {
      logger.debug("destroy table sql exception: " + se);
      throw se;
    } finally {
      closeCache();
    }
  }
Return file as string and then modify the string accordingly **
geode-core/src/distributedTest/java/org/apache/geode/internal/jta/dunit/LoginTimeOutDUnitTest.java