@Test
public void should_return_a_valid_keyframes_at_rule_object() {

  StandardAtRule atRule = StandardAtRuleFactory.getByName("keyframes");
  assertEquals(Keyframes.class, atRule.getClass());
  assertEquals(atRule.getName(), "keyframes");
  assertEquals(atRule.getLinks().size(), 1);
  assertFalse(atRule.isObsolete());
  assertTrue(atRule.isExperimental());
}