/** Test of buildJson method, of class FizzBuzzWs. */
 @Test
 public void testBuildJson_String() {
   System.out.println("buildJson");
   String value = "5";
   FizzBuzzWs instance = new FizzBuzzWs();
   String expResult = "{ \"result\": \"5\" }";
   String result = instance.buildJson(value);
   assertEquals(expResult, result);
 }
 /** Test of buildJson method, of class FizzBuzzWs. */
 @Test
 public void testBuildJson_ArrayList() {
   System.out.println("buildJson");
   ArrayList<String> values = new ArrayList<>();
   FizzBuzzWs instance = new FizzBuzzWs();
   for (int i = 1; i < 6; ++i) {
     values.add(Integer.toString(i));
   }
   String expResult = "{\n\t\"results\": [ \"1\", \"2\", \"3\", \"4\", \"5\" ]\n}";
   String result = instance.buildJson(values);
   assertEquals(expResult, result);
 }