Merge pull request #514 from Smarticles101/ignore-bookstore

book-store: add hint to @Ignore annotation

exercises/book-store/src/test/java/BookstoreTest.java

     assertEquals(8, bookstore.calculateTotalCost(), EQUALITY_TOLERANCE);
   }
 
-  @Ignore
+  @Ignore("Remove to run test")
   @Test
   public void twoOfSameBook() {
     List<Integer> books = new ArrayList<>(Arrays.asList(1, 1));
     assertEquals(16, bookstore.calculateTotalCost(), EQUALITY_TOLERANCE);
   }
 
-  @Ignore
+  @Ignore("Remove to run test")
   @Test
   public void emptyBasket() {
     List<Integer> books = new ArrayList<>();
     assertEquals(0, bookstore.calculateTotalCost(), EQUALITY_TOLERANCE);
   }
 
-  @Ignore
+  @Ignore("Remove to run test")
   @Test
   public void twoDifferentBooks() {
     List<Integer> books = new ArrayList<>(Arrays.asList(1, 2));
     assertEquals(15.20, bookstore.calculateTotalCost(), EQUALITY_TOLERANCE);
   }
 
-  @Ignore
+  @Ignore("Remove to run test")
   @Test
   public void threeDifferentBooks() {
     List<Integer> books = new ArrayList<>(Arrays.asList(1, 2, 3));
     assertEquals(21.6, bookstore.calculateTotalCost(), EQUALITY_TOLERANCE);
   }
 
-  @Ignore
+  @Ignore("Remove to run test")
   @Test
   public void fourDifferentBooks() {
     List<Integer> books = new ArrayList<>(Arrays.asList(1, 2, 3, 4));
     assertEquals(25.6, bookstore.calculateTotalCost(), EQUALITY_TOLERANCE);
   }
 
-  @Ignore
+  @Ignore("Remove to run test")
   @Test
   public void fiveDifferentBooks() {
     List<Integer> books = new ArrayList<>(Arrays.asList(1, 2, 3, 4, 5));
     assertEquals(30, bookstore.calculateTotalCost(), EQUALITY_TOLERANCE);
   }
 
-  @Ignore
+  @Ignore("Remove to run test")
   @Test
   public void twoGroupsOfFourIsCheaperThanGroupOfFivePlusGroupOfThree() {
     List<Integer> books = new ArrayList<>(Arrays.asList(1, 1, 2, 2, 3, 3, 4, 5));
     assertEquals(51.20, bookstore.calculateTotalCost(), EQUALITY_TOLERANCE);
   }
 
-  @Ignore
+  @Ignore("Remove to run test")
   @Test
   public void groupOfFourPlusGroupOfTwoIsCheaperThanTwoGroupsOfThree() {
     List<Integer> books = new ArrayList<>(Arrays.asList(1, 1, 2, 2, 3, 4));
     assertEquals(40.8, bookstore.calculateTotalCost(), EQUALITY_TOLERANCE);
   }
 
-  @Ignore
+  @Ignore("Remove to run test")
   @Test
   public void twoEachOfFirst4BooksAnd1CopyEachOfRest() {
     List<Integer> books = new ArrayList<>(Arrays.asList(1, 1, 2, 2, 3, 3, 4, 4, 5));
     assertEquals(55.60, bookstore.calculateTotalCost(), EQUALITY_TOLERANCE);
   }
 
-  @Ignore
+  @Ignore("Remove to run test")
   @Test
   public void twoCopiesOfEachBook() {
     List<Integer> books = new ArrayList<>(Arrays.asList(1, 1, 2, 2, 3, 3, 4, 4, 5, 5));
     assertEquals(60.00, bookstore.calculateTotalCost(), EQUALITY_TOLERANCE);
   }
 
-  @Ignore
+  @Ignore("Remove to run test")
   @Test
   public void threeCopiesOfFirstBookAnd2EachOfRemaining() {
     List<Integer> books = new ArrayList<>(Arrays.asList(1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 1));
     assertEquals(68.00, bookstore.calculateTotalCost(), EQUALITY_TOLERANCE);
   }
 
-  @Ignore
+  @Ignore("Remove to run test")
   @Test
   public void threeEachOFirst2BooksAnd2EachOfRemainingBooks() {
     List<Integer> books = new ArrayList<>(Arrays.asList(1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 1, 2));