@Test
public void testContainsAnyKeys() {

    Map<String, String> map = new HashMap<>();
    map.put("a", "1");
    map.put("b", "2");
    assertThat(CollectionsExt.containsAnyKeys(map, "a", "c")).isTrue();
    assertThat(CollectionsExt.containsAnyKeys(map, "c", "a")).isTrue();
    assertThat(CollectionsExt.containsAnyKeys(map, "c", "d")).isFalse();
}