@Test
public void createStream_whenFindAnyResultIsPresent_thenCorrect() {
List<String> list = Arrays.asList("A","B","C","D");
Optional<String> result = list.stream().findAny();
assertTrue(result.isPresent());
assertThat(result.get(), anyOf(is("A"), is("B"), is("C"), is("D")));
}