public void testUniqueHeader(SheetValidation sheetValidation) { RowValidation validateHeader = sheetValidation.createRowValidation(0); boolean check = validateHeader.uniqueHeader(); if (!check) { StringBuffer errorToPrint = sheetValidation .getErrorManager() .createDupFoundMessage( ErrorManager.UNIQUENESS_ERROR, validateHeader.getMultipleErrorsFound(), ","); System.out.println(errorToPrint); sheetValidation.getErrorManager().printMessage(errorToPrint.toString()); } }