public void setUp() { super.setUp(); grid = new Grid(environment, new Point(50, 100)); Engine engine = MockEngine.create(0, 0); abstractSingleDroppable1 = MockSingleDroppable.create(engine); abstractSingleDroppable2 = MockSingleDroppable.create(engine); Cell cell = Cell.create(13, 4); abstractSingleDroppable1.getRegion().setRow(cell.getRow()); abstractSingleDroppable1.getRegion().setColumn(cell.getColumn()); grid.insertDroppable(abstractSingleDroppable1); Cell cell1 = Cell.create(12, 4); abstractSingleDroppable2.getRegion().setRow(cell1.getRow()); abstractSingleDroppable2.getRegion().setColumn(cell1.getColumn()); grid.insertDroppable(abstractSingleDroppable2); }