@Test(timeOut = 1000)
 public void topTest() {
   System.out.println(EuclideanDistance.topMathes(Db.CRITICS, "Toby", 5));
 }
 @Test(timeOut = 1000)
 public void itemTest() {
   System.out.println(EuclideanDistance.calculateSimilarItems(Db.MOVIES));
 }
 @Test(timeOut = 1000)
 public void mainTest() {
   assertThat(EuclideanDistance.distance(Db.CRITICS, "Lisa Rose", "Gene Seymour"))
       .isEqualTo(0.14814814814814814d);
 }