### Question:
ToDo { public int getOrder() { return order; } ToDo(); String getId(); void setId(String id); boolean isCompleted(); void setCompleted(boolean completed); String getTitle(); void setTitle(String title); int getOrder(); void setOrder(int order); @Override boolean equals(Object obj); @Override int hashCode();  }### Answer:
@Test public void testGetOrder() { ToDo td = new ToDo(); td.setOrder(1); assertEquals(1, td.getOrder()); }