@Test
public void testDeleteCodeSystem() throws CodeSystemNotFoundException {

	CodeSystem deleted = mock(CodeSystem.class);
	when(codeSystemRepository.findOne(anyLong())).thenReturn(deleted);
	CodeSystemDto codeSystemDto = mock(CodeSystemDto.class);
	when(valueSetMgmtHelper.createCodeSystemDtoFromEntity(deleted))
			.thenReturn(codeSystemDto);
	Assert.assertEquals(vst.delete((long) 1), codeSystemDto);
}