@Test
public void getIds() throws Exception {
SessionMirror session1 = provider.create("testing1");
session1.close();
SessionMirror session2 = provider.create("testing2");
session2.complete();
SessionMirror session3 = provider.create("testing3");
session3.close();
List<String> all = new ArrayList<String>(provider.getCreatedIds());
assertThat(all, hasItems("testing1", "testing3"));