@Test
  public void usesListIntegerMethodForIterableLowerBoundInteger() {
    ListContainer source = new ListContainer();

    source.setValues(Arrays.asList("42", "47"));
    IterableContainer result = MapperWithCustomListMapping.INSTANCE.toContainerWithIterable(source);

    assertThat(result.getValues()).contains(Integer.valueOf(66), Integer.valueOf(71));
  }
  @Test
  public void createsForgedMethodForIterableLowerBoundInteger() {
    ListContainer source = new ListContainer();

    source.setValues(Arrays.asList("42", "47"));
    IterableContainer result =
        MapperWithForgedIterableMapping.INSTANCE.toContainerWithIterable(source);

    assertThat(result.getValues()).contains(Integer.valueOf(42), Integer.valueOf(47));
  }