// 3. Click at (30, 170), then double click at (50, 50) with Shift key depressed
tester.actionClick(planComponent, 30, 170);
tester.actionKeyPress(KeyEvent.VK_SHIFT);
tester.actionClick(planComponent, 50, 50, InputEvent.BUTTON1_MASK, 2);
tester.actionKeyRelease(KeyEvent.VK_SHIFT);
// Check a forth wall was created at (20, 300), (60, 60) coordinates
Wall wall4 = orderedWalls.get(orderedWalls.size() - 1);
assertCoordinatesEqualWallPoints(20, 300, 60, 60, wall4);
assertSelectionContains(frame.home, wall4);
assertWallsAreJoined(wall3, wall4, null);