JTableFixture tableFixture = dialogFixture.table("TablePostShipments");
tableFixture.cell(row(0).column(0)).select();
tableFixture.cell(row(0).column(0)).rightClick();
JMenuItemFixture menuItem = new JMenuItemFixture(dialogFixture.robot,
(JMenuItem) dialogFixture.robot.finder().findByName(
"MenuItemSetTransportPostShipment"));
menuItem.click();
JOptionPaneFixture optionPane = JOptionPaneFinder.findOptionPane()
.using(dialogFixture.robot);
optionPane.buttonWithText("OK").click();