scan.setStopRow(ROWS[1]);
final ColumnInterpreter<BigDecimal, BigDecimal, EmptyMsg, BigDecimalMsg, BigDecimalMsg> ci =
new BigDecimalColumnInterpreter();
Double avg = null;
try {
avg = aClient.avg(TEST_TABLE, ci, scan);
} catch (Throwable e) {
}
assertEquals(null, avg);// control should go to the catch block
}