// Check the selected walls are the second and third ones
assertSelectionContains(frame.home, wall2, wall3);
// 7. Press twice right arrow key
tester.actionKeyStroke(KeyEvent.VK_RIGHT);
tester.actionKeyStroke(KeyEvent.VK_RIGHT);
// Check the 4 walls coordinates are (20, 20), (504, 20), (504, 300), (24, 300)
assertCoordinatesEqualWallPoints(20, 20, 504, 20, wall1);
assertCoordinatesEqualWallPoints(504, 20, 504, 300, wall2);
assertCoordinatesEqualWallPoints(504, 300, 24, 300, wall3);
assertCoordinatesEqualWallPoints(20, 20, 24, 300, wall4);