@Test
public void evaluateShouldReturnAllPatientsThatHaveTakenAnyofDrugs() throws Exception {

	List drugs = new ArrayList<Drug>();
	drugs.add(new Drug(3));
	drugs.add(new Drug(2));
	cohortDefinition.setDrugs(drugs);
	cohortDefinition.setWhich(Match.ANY);
	Cohort cohort = Context.getService(CohortDefinitionService.class).evaluate(cohortDefinition, null);
	Assert.assertTrue(cohort.contains(2));
	Assert.assertTrue(cohort.contains(7));
	Assert.assertEquals(2, cohort.size());
	
}