code: public void clickLinkInCell(int row, int column) {
          String xPath = getXPathBase() + "tr[" + row + "]/td[" + column + "]/a";
          new Link(xPath).click();
      }
docs: Goes to the cell addressed by row and column indices and clicks link in that cell. Performs wait until page would
  be loaded
  
  @param row
  int number of row for cell
  @param column
  int number of column for cell