Book extends BaseEntity { public void setDescription(String description) { this.description = description; } protected  Book();  Book(String title, String author, String description, int price, byte[] picture, int inventory); String getTitle(); void setTitle(String title); String getAuthor(); void setAuthor(String author); String getDescription(); void setDescription(String description); int getPrice(); void setPrice(int price); byte[] getPicture(); void setPicture(byte[] picture); Category getCategory(); void setCategory(Category category); int getInventory(); void setInventory(int inventory);  }
@Test public void setDescription() throws Exception { book.setDescription("newDescription"); assertEquals("newDescription", book.getDescription()); }