private void runTest(final Class<? extends Test> cmd)
    throws IOException, InterruptedException, ClassNotFoundException {
    if (N == 1) {
      // If there is only one client and one HRegionServer, we assume nothing
      // has been set up at all.
      runNIsOne(cmd);
    } else {
      // Else, run
      runNIsMoreThanOne(cmd);
    }
  }
Format passed integer.
@param number the integer to format
@return Returns zero-prefixed 10-byte wide decimal version of passed number (Does absolute in
        case number is negative).
hbase-rest/src/test/java/org/apache/hadoop/hbase/rest/PerformanceEvaluation.java