source: class P20Test {
  
      @Test
      public void shouldRemoveKthElementFromList() throws Exception {
  
target:         Object[] result = P20.removeAt(Arrays.asList("a", "b", "c", "d"), 2);
          assertThat(result[0], equalTo(Arrays.asList("a", "c", "d")));
          assertThat(result[1], equalTo("b"));
      }
  
  }