@Test
public void testBasicValueSet() {

    String cql = "valueset \"Female Administrative Sex\" : '2.16.840.1.113883.3.560.100.2'\n" +
            "define X : 1";
    Library l = visitLibrary(cql);
    ValueSetDef def = l.getValueSets().getDef().get(0);
    assertThat(def.getName(), is("Female Administrative Sex"));
    assertThat(def.getId(), is("2.16.840.1.113883.3.560.100.2"));
    assertThat(def.getVersion(), is(nullValue()));
    assertThat(def.getCodeSystem().size(), is(0));
}