@Test(expected = IllegalArgumentException.class)
public void testAdmitExistingPatientToUnknownCareProvider()
{

  final CentralCaseDetails centralCaseDetails = new CentralCaseDetails(false, "1", "1", "R1-B1");
  final DateTime now = new DateTime();
  eventHandler.handle(new AdmitPatientEvent("1", now, null, "999", centralCaseDetails));
}