code: @Test public void fromUnderscores() throws Exception {
    Iterator<String> iterator=new RelaxedNames("nes_ted").iterator();
    assertThat(iterator.next(),equalTo("nes_ted"));
    assertThat(iterator.next(),equalTo("nes.ted"));
    assertThat(iterator.next(),equalTo("nesTed"));
    assertThat(iterator.next(),equalTo("nested"));
    assertThat(iterator.next(),equalTo("NES_TED"));
    assertThat(iterator.next(),equalTo("NES.TED"));
    assertThat(iterator.next(),equalTo("NESTED"));
    assertThat(iterator.hasNext(),equalTo(false));
  }
  