@Test
public void should_return_arbitrarily_first_separator() {

    // given
    final Separator invalidSeparator1 = new Separator('A');
    final Separator invalidSeparator2 = new Separator('B');
    // when
    SeparatorAnalyzer separatorAnalyzer = new SeparatorAnalyzer(1, Collections.emptyList());
    // then
    assertTrue(separatorAnalyzer.compare(invalidSeparator1, invalidSeparator2) < 0);
}